64997545

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{1451}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 85586688

約数和(自身を除く): 20589143

約数列:

[1, 5, 17, 31, 85, 155, 289, 527, 1445, 1451, 2635, 7255, 8959, 24667, 44795, 44981, 123335, 224905, 419339, 764677, 2096695, 3823385, 12999509, 64997545]

約数ペア:

[(1, 64997545), (5, 12999509), (17, 3823385), (31, 2096695), (85, 764677), (155, 419339), (289, 224905), (527, 123335), (1445, 44981), (1451, 44795), (2635, 24667), (7255, 8959)]