812890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{37}}^1$

素因数の和:83

約数の個数: 32

約数和(自身を含む): 1627920

約数和(自身を除く): 815030

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 169, 185, 338, 370, 481, 845, 962, 1690, 2197, 2405, 4394, 4810, 6253, 10985, 12506, 21970, 31265, 62530, 81289, 162578, 406445, 812890]

約数ペア:

[(1, 812890), (2, 406445), (5, 162578), (10, 81289), (13, 62530), (26, 31265), (37, 21970), (65, 12506), (74, 10985), (130, 6253), (169, 4810), (185, 4394), (338, 2405), (370, 2197), (481, 1690), (845, 962)]