2158502408

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{659689}}^1$

素因数の和:660104

約数の個数: 16

約数和(自身を含む): 4057093500

約数和(自身を除く): 1898591092

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 659689, 1319378, 2638756, 5277512, 269812801, 539625602, 1079251204, 2158502408]

約数ペア:

[(1, 2158502408), (2, 1079251204), (4, 539625602), (8, 269812801), (409, 5277512), (818, 2638756), (1636, 1319378), (3272, 659689)]