389939618

素因数分解:

$2^1\times {\mathrm{401}}^1\times {\mathrm{601}}^1\times {\mathrm{809}}^1$

素因数の和:1813

約数の個数: 16

約数和(自身を含む): 588069720

約数和(自身を除く): 198130102

約数列:

[1, 2, 401, 601, 802, 809, 1202, 1618, 241001, 324409, 482002, 486209, 648818, 972418, 194969809, 389939618]

約数ペア:

[(1, 389939618), (2, 194969809), (401, 972418), (601, 648818), (802, 486209), (809, 482002), (1202, 324409), (1618, 241001)]