78225656

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 148780800

約数和(自身を除く): 70555144

約数列:

[1, 2, 4, 8, 163, 239, 251, 326, 478, 502, 652, 956, 1004, 1304, 1912, 2008, 38957, 40913, 59989, 77914, 81826, 119978, 155828, 163652, 239956, 311656, 327304, 479912, 9778207, 19556414, 39112828, 78225656]

約数ペア:

[(1, 78225656), (2, 39112828), (4, 19556414), (8, 9778207), (163, 479912), (239, 327304), (251, 311656), (326, 239956), (478, 163652), (502, 155828), (652, 119978), (956, 81826), (1004, 77914), (1304, 59989), (1912, 40913), (2008, 38957)]