71520790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{650189}}^1$

素因数の和:650207

約数の個数: 16

約数和(自身を含む): 140441040

約数和(自身を除く): 68920250

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 650189, 1300378, 3250945, 6501890, 7152079, 14304158, 35760395, 71520790]

約数ペア:

[(1, 71520790), (2, 35760395), (5, 14304158), (10, 7152079), (11, 6501890), (22, 3250945), (55, 1300378), (110, 650189)]