72017825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1019}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 97895520

約数和(自身を除く): 25877695

約数列:

[1, 5, 11, 25, 55, 257, 275, 1019, 1285, 2827, 5095, 6425, 11209, 14135, 25475, 56045, 70675, 261883, 280225, 1309415, 2880713, 6547075, 14403565, 72017825]

約数ペア:

[(1, 72017825), (5, 14403565), (11, 6547075), (25, 2880713), (55, 1309415), (257, 280225), (275, 261883), (1019, 70675), (1285, 56045), (2827, 25475), (5095, 14135), (6425, 11209)]