51108575

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{809}}^1$

素因数の和:864

約数の個数: 36

約数和(自身を含む): 76535280

約数和(自身を除く): 25426705

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 361, 475, 665, 809, 1805, 2527, 3325, 4045, 5663, 9025, 12635, 15371, 20225, 28315, 63175, 76855, 107597, 141575, 292049, 384275, 537985, 1460245, 2044343, 2689925, 7301225, 10221715, 51108575]

約数ペア:

[(1, 51108575), (5, 10221715), (7, 7301225), (19, 2689925), (25, 2044343), (35, 1460245), (95, 537985), (133, 384275), (175, 292049), (361, 141575), (475, 107597), (665, 76855), (809, 63175), (1805, 28315), (2527, 20225), (3325, 15371), (4045, 12635), (5663, 9025)]