81171392

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:457

約数の個数: 56

約数和(自身を含む): 167956992

約数和(自身を除く): 86785600

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 163, 248, 251, 326, 496, 502, 652, 992, 1004, 1304, 1984, 2008, 2608, 4016, 5053, 5216, 7781, 8032, 10106, 10432, 15562, 16064, 20212, 31124, 40424, 40913, 62248, 80848, 81826, 124496, 161696, 163652, 248992, 323392, 327304, 497984, 654608, 1268303, 1309216, 2536606, 2618432, 5073212, 10146424, 20292848, 40585696, 81171392]

約数ペア:

[(1, 81171392), (2, 40585696), (4, 20292848), (8, 10146424), (16, 5073212), (31, 2618432), (32, 2536606), (62, 1309216), (64, 1268303), (124, 654608), (163, 497984), (248, 327304), (251, 323392), (326, 248992), (496, 163652), (502, 161696), (652, 124496), (992, 81826), (1004, 80848), (1304, 62248), (1984, 40913), (2008, 40424), (2608, 31124), (4016, 20212), (5053, 16064), (5216, 15562), (7781, 10432), (8032, 10106)]