1998620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7687}}^1$

素因数の和:7709

約数の個数: 24

約数和(自身を含む): 4520544

約数和(自身を除く): 2521924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7687, 15374, 30748, 38435, 76870, 99931, 153740, 199862, 399724, 499655, 999310, 1998620]

約数ペア:

[(1, 1998620), (2, 999310), (4, 499655), (5, 399724), (10, 199862), (13, 153740), (20, 99931), (26, 76870), (52, 38435), (65, 30748), (130, 15374), (260, 7687)]