87821890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{675553}}^1$

素因数の和:675573

約数の個数: 16

約数和(自身を含む): 170239608

約数和(自身を除く): 82417718

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 675553, 1351106, 3377765, 6755530, 8782189, 17564378, 43910945, 87821890]

約数ペア:

[(1, 87821890), (2, 43910945), (5, 17564378), (10, 8782189), (13, 6755530), (26, 3377765), (65, 1351106), (130, 675553)]