78899984

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{133277}}^1$

素因数の和:133322

約数の個数: 20

約数和(自身を含む): 157001484

約数和(自身を除く): 78101500

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 133277, 266554, 533108, 1066216, 2132432, 4931249, 9862498, 19724996, 39449992, 78899984]

約数ペア:

[(1, 78899984), (2, 39449992), (4, 19724996), (8, 9862498), (16, 4931249), (37, 2132432), (74, 1066216), (148, 533108), (296, 266554), (592, 133277)]