68891785

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 89579520

約数和(自身を除く): 20687735

約数列:

[1, 5, 23, 53, 89, 115, 127, 265, 445, 635, 1219, 2047, 2921, 4717, 6095, 6731, 10235, 11303, 14605, 23585, 33655, 56515, 108491, 154813, 259969, 542455, 599059, 774065, 1299845, 2995295, 13778357, 68891785]

約数ペア:

[(1, 68891785), (5, 13778357), (23, 2995295), (53, 1299845), (89, 774065), (115, 599059), (127, 542455), (265, 259969), (445, 154813), (635, 108491), (1219, 56515), (2047, 33655), (2921, 23585), (4717, 14605), (6095, 11303), (6731, 10235)]