856888370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{9539}}^1$

素因数の和:10250

約数の個数: 32

約数和(自身を含む): 1663623360

約数和(自身を除く): 806734990

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 691, 1382, 3455, 6910, 8983, 9539, 17966, 19078, 44915, 47695, 89830, 95390, 124007, 248014, 620035, 1240070, 6591449, 13182898, 32957245, 65914490, 85688837, 171377674, 428444185, 856888370]

約数ペア:

[(1, 856888370), (2, 428444185), (5, 171377674), (10, 85688837), (13, 65914490), (26, 32957245), (65, 13182898), (130, 6591449), (691, 1240070), (1382, 620035), (3455, 248014), (6910, 124007), (8983, 95390), (9539, 89830), (17966, 47695), (19078, 44915)]