28837011455

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{421009}}^1$

素因数の和:421143

約数の個数: 32

約数和(自身を含む): 42033638400

約数和(自身を除く): 13196626945

約数列:

[1, 5, 7, 19, 35, 95, 103, 133, 515, 665, 721, 1957, 3605, 9785, 13699, 68495, 421009, 2105045, 2947063, 7999171, 14735315, 39995855, 43363927, 55994197, 216819635, 279970985, 303547489, 823914613, 1517737445, 4119573065, 5767402291, 28837011455]

約数ペア:

[(1, 28837011455), (5, 5767402291), (7, 4119573065), (19, 1517737445), (35, 823914613), (95, 303547489), (103, 279970985), (133, 216819635), (515, 55994197), (665, 43363927), (721, 39995855), (1957, 14735315), (3605, 7999171), (9785, 2947063), (13699, 2105045), (68495, 421009)]