64724925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 114903360

約数和(自身を除く): 50178435

約数列:

[1, 3, 5, 15, 19, 25, 53, 57, 75, 95, 159, 265, 285, 475, 795, 857, 1007, 1325, 1425, 2571, 3021, 3975, 4285, 5035, 12855, 15105, 16283, 21425, 25175, 45421, 48849, 64275, 75525, 81415, 136263, 227105, 244245, 407075, 681315, 862999, 1135525, 1221225, 2588997, 3406575, 4314995, 12944985, 21574975, 64724925]

約数ペア:

[(1, 64724925), (3, 21574975), (5, 12944985), (15, 4314995), (19, 3406575), (25, 2588997), (53, 1221225), (57, 1135525), (75, 862999), (95, 681315), (159, 407075), (265, 244245), (285, 227105), (475, 136263), (795, 81415), (857, 75525), (1007, 64275), (1325, 48849), (1425, 45421), (2571, 25175), (3021, 21425), (3975, 16283), (4285, 15105), (5035, 12855)]