318379672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 726243840

約数和(自身を除く): 407864168

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 37, 52, 62, 68, 74, 104, 124, 136, 148, 157, 221, 248, 296, 314, 403, 442, 481, 527, 628, 629, 806, 884, 962, 1054, 1147, 1256, 1258, 1612, 1768, 1924, 2041, 2108, 2294, 2516, 2669, 3224, 3848, 4082, 4216, 4588, 4867, 5032, 5338, 5809, 6851, 8164, 8177, 9176, 9734, 10676, 11618, 13702, 14911, 16328, 16354, 19468, 19499, 21352, 23236, 27404, 29822, 32708, 34697, 38936, 38998, 46472, 54808, 59644, 63271, 65416, 69394, 75517, 77996, 82739, 98753, 119288, 126542, 138788, 151034, 155992, 165478, 180079, 197506, 253084, 253487, 277576, 302068, 330956, 360158, 395012, 506168, 506974, 604136, 661912, 720316, 790024, 1013948, 1075607, 1283789, 1440632, 2027896, 2151214, 2341027, 2567578, 3061343, 4302428, 4682054, 5135156, 6122686, 8604856, 9364108, 10270312, 12245372, 18728216, 24490744, 39797459, 79594918, 159189836, 318379672]

約数ペア:

[(1, 318379672), (2, 159189836), (4, 79594918), (8, 39797459), (13, 24490744), (17, 18728216), (26, 12245372), (31, 10270312), (34, 9364108), (37, 8604856), (52, 6122686), (62, 5135156), (68, 4682054), (74, 4302428), (104, 3061343), (124, 2567578), (136, 2341027), (148, 2151214), (157, 2027896), (221, 1440632), (248, 1283789), (296, 1075607), (314, 1013948), (403, 790024), (442, 720316), (481, 661912), (527, 604136), (628, 506974), (629, 506168), (806, 395012), (884, 360158), (962, 330956), (1054, 302068), (1147, 277576), (1256, 253487), (1258, 253084), (1612, 197506), (1768, 180079), (1924, 165478), (2041, 155992), (2108, 151034), (2294, 138788), (2516, 126542), (2669, 119288), (3224, 98753), (3848, 82739), (4082, 77996), (4216, 75517), (4588, 69394), (4867, 65416), (5032, 63271), (5338, 59644), (5809, 54808), (6851, 46472), (8164, 38998), (8177, 38936), (9176, 34697), (9734, 32708), (10676, 29822), (11618, 27404), (13702, 23236), (14911, 21352), (16328, 19499), (16354, 19468)]