68464075

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 87302448

約数和(自身を除く): 18838373

約数列:

[1, 5, 25, 53, 163, 265, 317, 815, 1325, 1585, 4075, 7925, 8639, 16801, 43195, 51671, 84005, 215975, 258355, 420025, 1291775, 2738563, 13692815, 68464075]

約数ペア:

[(1, 68464075), (5, 13692815), (25, 2738563), (53, 1291775), (163, 420025), (265, 258355), (317, 215975), (815, 84005), (1325, 51671), (1585, 43195), (4075, 16801), (7925, 8639)]