81829336

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{329957}}^1$

素因数の和:329994

約数の個数: 16

約数和(自身を含む): 158379840

約数和(自身を除く): 76550504

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 329957, 659914, 1319828, 2639656, 10228667, 20457334, 40914668, 81829336]

約数ペア:

[(1, 81829336), (2, 40914668), (4, 20457334), (8, 10228667), (31, 2639656), (62, 1319828), (124, 659914), (248, 329957)]