71002672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 156240000

約数和(自身を除く): 85237328

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 79, 104, 116, 149, 158, 208, 232, 298, 316, 377, 464, 596, 632, 754, 1027, 1192, 1264, 1508, 1937, 2054, 2291, 2384, 3016, 3874, 4108, 4321, 4582, 6032, 7748, 8216, 8642, 9164, 11771, 15496, 16432, 17284, 18328, 23542, 29783, 30992, 34568, 36656, 47084, 56173, 59566, 69136, 94168, 112346, 119132, 153023, 188336, 224692, 238264, 306046, 341359, 449384, 476528, 612092, 682718, 898768, 1224184, 1365436, 2448368, 2730872, 4437667, 5461744, 8875334, 17750668, 35501336, 71002672]

約数ペア:

[(1, 71002672), (2, 35501336), (4, 17750668), (8, 8875334), (13, 5461744), (16, 4437667), (26, 2730872), (29, 2448368), (52, 1365436), (58, 1224184), (79, 898768), (104, 682718), (116, 612092), (149, 476528), (158, 449384), (208, 341359), (232, 306046), (298, 238264), (316, 224692), (377, 188336), (464, 153023), (596, 119132), (632, 112346), (754, 94168), (1027, 69136), (1192, 59566), (1264, 56173), (1508, 47084), (1937, 36656), (2054, 34568), (2291, 30992), (2384, 29783), (3016, 23542), (3874, 18328), (4108, 17284), (4321, 16432), (4582, 15496), (6032, 11771), (7748, 9164), (8216, 8642)]