13581295

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1571}}^1$

素因数の和:1615

約数の個数: 32

約数和(自身を含む): 21127680

約数和(自身を除く): 7546385

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1571, 1729, 7855, 8645, 10997, 20423, 29849, 54985, 102115, 142961, 149245, 208943, 388037, 714805, 1044715, 1940185, 2716259, 13581295]

約数ペア:

[(1, 13581295), (5, 2716259), (7, 1940185), (13, 1044715), (19, 714805), (35, 388037), (65, 208943), (91, 149245), (95, 142961), (133, 102115), (247, 54985), (455, 29849), (665, 20423), (1235, 10997), (1571, 8645), (1729, 7855)]