28956382

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{409}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 53726400

約数和(自身を除く): 24770018

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 389, 409, 778, 818, 2723, 2863, 5057, 5317, 5446, 5726, 10114, 10634, 35399, 37219, 70798, 74438, 159101, 318202, 1113707, 2068313, 2227414, 4136626, 14478191, 28956382]

約数ペア:

[(1, 28956382), (2, 14478191), (7, 4136626), (13, 2227414), (14, 2068313), (26, 1113707), (91, 318202), (182, 159101), (389, 74438), (409, 70798), (778, 37219), (818, 35399), (2723, 10634), (2863, 10114), (5057, 5726), (5317, 5446)]