903890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 1859760

約数和(自身を除く): 955870

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 409, 442, 818, 1105, 2045, 2210, 4090, 5317, 6953, 10634, 13906, 26585, 34765, 53170, 69530, 90389, 180778, 451945, 903890]

約数ペア:

[(1, 903890), (2, 451945), (5, 180778), (10, 90389), (13, 69530), (17, 53170), (26, 34765), (34, 26585), (65, 13906), (85, 10634), (130, 6953), (170, 5317), (221, 4090), (409, 2210), (442, 2045), (818, 1105)]