639640078

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4153507}}^1$

素因数の和:4153527

約数の個数: 16

約数和(自身を含む): 1196210304

約数和(自身を除く): 556570226

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 4153507, 8307014, 29074549, 45688577, 58149098, 91377154, 319820039, 639640078]

約数ペア:

[(1, 639640078), (2, 319820039), (7, 91377154), (11, 58149098), (14, 45688577), (22, 29074549), (77, 8307014), (154, 4153507)]