50720215

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5867}}^1$

素因数の和:5911

約数の個数: 32

約数和(自身を含む): 78865920

約数和(自身を除く): 28145705

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 5867, 8645, 29335, 41069, 76271, 111473, 205345, 381355, 533897, 557365, 780311, 1449149, 2669485, 3901555, 7245745, 10144043, 50720215]

約数ペア:

[(1, 50720215), (5, 10144043), (7, 7245745), (13, 3901555), (19, 2669485), (35, 1449149), (65, 780311), (91, 557365), (95, 533897), (133, 381355), (247, 205345), (455, 111473), (665, 76271), (1235, 41069), (1729, 29335), (5867, 8645)]