72988528

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{111263}}^1$

素因数の和:111312

約数の個数: 20

約数和(自身を含む): 144865728

約数和(自身を除く): 71877200

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 111263, 222526, 445052, 890104, 1780208, 4561783, 9123566, 18247132, 36494264, 72988528]

約数ペア:

[(1, 72988528), (2, 36494264), (4, 18247132), (8, 9123566), (16, 4561783), (41, 1780208), (82, 890104), (164, 445052), (328, 222526), (656, 111263)]