71291275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{653}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 96828624

約数和(自身を除く): 25537349

約数列:

[1, 5, 11, 25, 55, 275, 397, 653, 1985, 3265, 4367, 7183, 9925, 16325, 21835, 35915, 109175, 179575, 259241, 1296205, 2851651, 6481025, 14258255, 71291275]

約数ペア:

[(1, 71291275), (5, 14258255), (11, 6481025), (25, 2851651), (55, 1296205), (275, 259241), (397, 179575), (653, 109175), (1985, 35915), (3265, 21835), (4367, 16325), (7183, 9925)]