399647664

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 180

約数和(自身を含む): 1244309248

約数和(自身を除く): 844661584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 41, 48, 52, 72, 78, 82, 104, 117, 123, 127, 144, 156, 164, 208, 234, 246, 254, 312, 328, 369, 381, 468, 492, 508, 533, 624, 656, 738, 762, 936, 984, 1016, 1066, 1143, 1476, 1524, 1599, 1651, 1681, 1872, 1968, 2032, 2132, 2286, 2952, 3048, 3198, 3302, 3362, 4264, 4572, 4797, 4953, 5043, 5207, 5904, 6096, 6396, 6604, 6724, 8528, 9144, 9594, 9906, 10086, 10414, 12792, 13208, 13448, 14859, 15129, 15621, 18288, 19188, 19812, 20172, 20828, 21853, 25584, 26416, 26896, 29718, 30258, 31242, 38376, 39624, 40344, 41656, 43706, 46863, 59436, 60516, 62484, 65559, 67691, 76752, 79248, 80688, 83312, 87412, 93726, 118872, 121032, 124968, 131118, 135382, 174824, 187452, 196677, 203073, 213487, 237744, 242064, 249936, 262236, 270764, 349648, 374904, 393354, 406146, 426974, 524472, 541528, 609219, 640461, 749808, 786708, 812292, 853948, 1048944, 1083056, 1218438, 1280922, 1573416, 1624584, 1707896, 1921383, 2436876, 2561844, 2775331, 3146832, 3249168, 3415792, 3842766, 4873752, 5123688, 5550662, 7685532, 8325993, 9747504, 10247376, 11101324, 15371064, 16651986, 22202648, 24977979, 30742128, 33303972, 44405296, 49955958, 66607944, 99911916, 133215888, 199823832, 399647664]

約数ペア:

[(1, 399647664), (2, 199823832), (3, 133215888), (4, 99911916), (6, 66607944), (8, 49955958), (9, 44405296), (12, 33303972), (13, 30742128), (16, 24977979), (18, 22202648), (24, 16651986), (26, 15371064), (36, 11101324), (39, 10247376), (41, 9747504), (48, 8325993), (52, 7685532), (72, 5550662), (78, 5123688), (82, 4873752), (104, 3842766), (117, 3415792), (123, 3249168), (127, 3146832), (144, 2775331), (156, 2561844), (164, 2436876), (208, 1921383), (234, 1707896), (246, 1624584), (254, 1573416), (312, 1280922), (328, 1218438), (369, 1083056), (381, 1048944), (468, 853948), (492, 812292), (508, 786708), (533, 749808), (624, 640461), (656, 609219), (738, 541528), (762, 524472), (936, 426974), (984, 406146), (1016, 393354), (1066, 374904), (1143, 349648), (1476, 270764), (1524, 262236), (1599, 249936), (1651, 242064), (1681, 237744), (1872, 213487), (1968, 203073), (2032, 196677), (2132, 187452), (2286, 174824), (2952, 135382), (3048, 131118), (3198, 124968), (3302, 121032), (3362, 118872), (4264, 93726), (4572, 87412), (4797, 83312), (4953, 80688), (5043, 79248), (5207, 76752), (5904, 67691), (6096, 65559), (6396, 62484), (6604, 60516), (6724, 59436), (8528, 46863), (9144, 43706), (9594, 41656), (9906, 40344), (10086, 39624), (10414, 38376), (12792, 31242), (13208, 30258), (13448, 29718), (14859, 26896), (15129, 26416), (15621, 25584), (18288, 21853), (19188, 20828), (19812, 20172)]