13857890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81517}}^1$

素因数の和:81541

約数の個数: 16

約数和(自身を含む): 26411832

約数和(自身を除く): 12553942

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 81517, 163034, 407585, 815170, 1385789, 2771578, 6928945, 13857890]

約数ペア:

[(1, 13857890), (2, 6928945), (5, 2771578), (10, 1385789), (17, 815170), (34, 407585), (85, 163034), (170, 81517)]