647567928

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{31}}^2\times {\mathrm{191}}^1$

素因数の和:279

約数の個数: 216

約数和(自身を含む): 2119141440

約数和(自身を除く): 1471573512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 49, 56, 62, 63, 72, 84, 93, 98, 124, 126, 147, 168, 186, 191, 196, 217, 248, 252, 279, 294, 372, 382, 392, 434, 441, 504, 558, 573, 588, 651, 744, 764, 868, 882, 961, 1116, 1146, 1176, 1302, 1337, 1519, 1528, 1719, 1736, 1764, 1922, 1953, 2232, 2292, 2604, 2674, 2883, 3038, 3438, 3528, 3844, 3906, 4011, 4557, 4584, 5208, 5348, 5766, 5921, 6076, 6727, 6876, 7688, 7812, 8022, 8649, 9114, 9359, 10696, 11532, 11842, 12033, 12152, 13454, 13671, 13752, 15624, 16044, 17298, 17763, 18228, 18718, 20181, 23064, 23684, 24066, 26908, 27342, 28077, 32088, 34596, 35526, 36456, 37436, 40362, 41447, 47089, 47368, 48132, 53289, 53816, 54684, 56154, 60543, 69192, 71052, 74872, 80724, 82894, 84231, 94178, 96264, 106578, 109368, 112308, 121086, 124341, 141267, 142104, 161448, 165788, 168462, 183551, 188356, 213156, 224616, 242172, 248682, 282534, 290129, 331576, 336924, 367102, 373023, 376712, 423801, 426312, 484344, 497364, 550653, 565068, 580258, 673848, 734204, 746046, 847602, 870387, 994728, 1101306, 1130136, 1160516, 1284857, 1468408, 1492092, 1651959, 1695204, 1740774, 2202612, 2321032, 2569714, 2611161, 2984184, 3303918, 3390408, 3481548, 3854571, 4405224, 5139428, 5222322, 6607836, 6963096, 7709142, 8993999, 10278856, 10444644, 11563713, 13215672, 15418284, 17987998, 20889288, 23127426, 26981997, 30836568, 35975996, 46254852, 53963994, 71951992, 80945991, 92509704, 107927988, 161891982, 215855976, 323783964, 647567928]

約数ペア:

[(1, 647567928), (2, 323783964), (3, 215855976), (4, 161891982), (6, 107927988), (7, 92509704), (8, 80945991), (9, 71951992), (12, 53963994), (14, 46254852), (18, 35975996), (21, 30836568), (24, 26981997), (28, 23127426), (31, 20889288), (36, 17987998), (42, 15418284), (49, 13215672), (56, 11563713), (62, 10444644), (63, 10278856), (72, 8993999), (84, 7709142), (93, 6963096), (98, 6607836), (124, 5222322), (126, 5139428), (147, 4405224), (168, 3854571), (186, 3481548), (191, 3390408), (196, 3303918), (217, 2984184), (248, 2611161), (252, 2569714), (279, 2321032), (294, 2202612), (372, 1740774), (382, 1695204), (392, 1651959), (434, 1492092), (441, 1468408), (504, 1284857), (558, 1160516), (573, 1130136), (588, 1101306), (651, 994728), (744, 870387), (764, 847602), (868, 746046), (882, 734204), (961, 673848), (1116, 580258), (1146, 565068), (1176, 550653), (1302, 497364), (1337, 484344), (1519, 426312), (1528, 423801), (1719, 376712), (1736, 373023), (1764, 367102), (1922, 336924), (1953, 331576), (2232, 290129), (2292, 282534), (2604, 248682), (2674, 242172), (2883, 224616), (3038, 213156), (3438, 188356), (3528, 183551), (3844, 168462), (3906, 165788), (4011, 161448), (4557, 142104), (4584, 141267), (5208, 124341), (5348, 121086), (5766, 112308), (5921, 109368), (6076, 106578), (6727, 96264), (6876, 94178), (7688, 84231), (7812, 82894), (8022, 80724), (8649, 74872), (9114, 71052), (9359, 69192), (10696, 60543), (11532, 56154), (11842, 54684), (12033, 53816), (12152, 53289), (13454, 48132), (13671, 47368), (13752, 47089), (15624, 41447), (16044, 40362), (17298, 37436), (17763, 36456), (18228, 35526), (18718, 34596), (20181, 32088), (23064, 28077), (23684, 27342), (24066, 26908)]