86878970

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{44101}}^1$

素因数の和:44305

約数の個数: 16

約数和(自身を含む): 157179528

約数和(自身を除く): 70300558

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 44101, 88202, 220505, 441010, 8687897, 17375794, 43439485, 86878970]

約数ペア:

[(1, 86878970), (2, 43439485), (5, 17375794), (10, 8687897), (197, 441010), (394, 220505), (985, 88202), (1970, 44101)]