72667648

素因数分解:

$2^9\times {\mathrm{71}}^1\times {\mathrm{1999}}^1$

素因数の和:2088

約数の個数: 40

約数和(自身を含む): 147312000

約数和(自身を除く): 74644352

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 284, 512, 568, 1136, 1999, 2272, 3998, 4544, 7996, 9088, 15992, 18176, 31984, 36352, 63968, 127936, 141929, 255872, 283858, 511744, 567716, 1023488, 1135432, 2270864, 4541728, 9083456, 18166912, 36333824, 72667648]

約数ペア:

[(1, 72667648), (2, 36333824), (4, 18166912), (8, 9083456), (16, 4541728), (32, 2270864), (64, 1135432), (71, 1023488), (128, 567716), (142, 511744), (256, 283858), (284, 255872), (512, 141929), (568, 127936), (1136, 63968), (1999, 36352), (2272, 31984), (3998, 18176), (4544, 15992), (7996, 9088)]