247499784

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 216

約数和(自身を含む): 816752430

約数和(自身を除く): 569252646

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, 73, 84, 93, 98, 124, 126, 146, 147, 168, 186, 196, 217, 219, 248, 252, 279, 292, 294, 372, 392, 434, 438, 441, 504, 511, 558, 584, 588, 651, 657, 744, 868, 876, 882, 961, 1022, 1116, 1176, 1302, 1314, 1519, 1533, 1736, 1752, 1764, 1922, 1953, 2044, 2232, 2263, 2604, 2628, 2883, 3038, 3066, 3528, 3577, 3844, 3906, 4088, 4526, 4557, 4599, 5208, 5256, 5766, 6076, 6132, 6727, 6789, 7154, 7688, 7812, 8649, 9052, 9114, 9198, 10731, 11532, 12152, 12264, 13454, 13578, 13671, 14308, 15624, 15841, 17298, 18104, 18228, 18396, 20181, 20367, 21462, 23064, 26908, 27156, 27342, 28616, 31682, 32193, 34596, 36456, 36792, 40362, 40734, 42924, 47089, 47523, 53816, 54312, 54684, 60543, 63364, 64386, 69192, 70153, 80724, 81468, 85848, 94178, 95046, 109368, 110887, 121086, 126728, 128772, 140306, 141267, 142569, 161448, 162936, 188356, 190092, 210459, 221774, 242172, 257544, 280612, 282534, 285138, 332661, 376712, 380184, 420918, 423801, 443548, 484344, 491071, 561224, 565068, 570276, 631377, 665322, 841836, 847602, 887096, 982142, 997983, 1130136, 1140552, 1262754, 1330644, 1473213, 1683672, 1695204, 1964284, 1995966, 2525508, 2661288, 2946426, 3390408, 3437497, 3928568, 3991932, 4419639, 5051016, 5892852, 6874994, 7983864, 8839278, 10312491, 11785704, 13749988, 17678556, 20624982, 27499976, 30937473, 35357112, 41249964, 61874946, 82499928, 123749892, 247499784]

約数ペア:

[(1, 247499784), (2, 123749892), (3, 82499928), (4, 61874946), (6, 41249964), (7, 35357112), (8, 30937473), (9, 27499976), (12, 20624982), (14, 17678556), (18, 13749988), (21, 11785704), (24, 10312491), (28, 8839278), (31, 7983864), (36, 6874994), (42, 5892852), (49, 5051016), (56, 4419639), (62, 3991932), (63, 3928568), (72, 3437497), (73, 3390408), (84, 2946426), (93, 2661288), (98, 2525508), (124, 1995966), (126, 1964284), (146, 1695204), (147, 1683672), (168, 1473213), (186, 1330644), (196, 1262754), (217, 1140552), (219, 1130136), (248, 997983), (252, 982142), (279, 887096), (292, 847602), (294, 841836), (372, 665322), (392, 631377), (434, 570276), (438, 565068), (441, 561224), (504, 491071), (511, 484344), (558, 443548), (584, 423801), (588, 420918), (651, 380184), (657, 376712), (744, 332661), (868, 285138), (876, 282534), (882, 280612), (961, 257544), (1022, 242172), (1116, 221774), (1176, 210459), (1302, 190092), (1314, 188356), (1519, 162936), (1533, 161448), (1736, 142569), (1752, 141267), (1764, 140306), (1922, 128772), (1953, 126728), (2044, 121086), (2232, 110887), (2263, 109368), (2604, 95046), (2628, 94178), (2883, 85848), (3038, 81468), (3066, 80724), (3528, 70153), (3577, 69192), (3844, 64386), (3906, 63364), (4088, 60543), (4526, 54684), (4557, 54312), (4599, 53816), (5208, 47523), (5256, 47089), (5766, 42924), (6076, 40734), (6132, 40362), (6727, 36792), (6789, 36456), (7154, 34596), (7688, 32193), (7812, 31682), (8649, 28616), (9052, 27342), (9114, 27156), (9198, 26908), (10731, 23064), (11532, 21462), (12152, 20367), (12264, 20181), (13454, 18396), (13578, 18228), (13671, 18104), (14308, 17298), (15624, 15841)]