15805702985

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{4219}}^1$

素因数の和:4529

約数の個数: 32

約数和(自身を含む): 19666955520

約数和(自身を除く): 3861252535

約数列:

[1, 5, 61, 71, 173, 305, 355, 865, 4219, 4331, 10553, 12283, 21095, 21655, 52765, 61415, 257359, 299549, 729887, 749263, 1286795, 1497745, 3649435, 3746315, 18272489, 44523107, 51821977, 91362445, 222615535, 259109885, 3161140597, 15805702985]

約数ペア:

[(1, 15805702985), (5, 3161140597), (61, 259109885), (71, 222615535), (173, 91362445), (305, 51821977), (355, 44523107), (865, 18272489), (4219, 3746315), (4331, 3649435), (10553, 1497745), (12283, 1286795), (21095, 749263), (21655, 729887), (52765, 299549), (61415, 257359)]