68970475

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20743}}^1$

素因数の和:20779

約数の個数: 24

約数和(自身を含む): 102890240

約数和(自身を除く): 33919765

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 20743, 103715, 145201, 394117, 518575, 726005, 1970585, 2758819, 3630025, 9852925, 13794095, 68970475]

約数ペア:

[(1, 68970475), (5, 13794095), (7, 9852925), (19, 3630025), (25, 2758819), (35, 1970585), (95, 726005), (133, 518575), (175, 394117), (475, 145201), (665, 103715), (3325, 20743)]