1995991505

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{691}}^1\times {\mathrm{1999}}^1$

素因数の和:2729

約数の個数: 24

約数和(自身を含む): 2549328000

約数和(自身を除く): 553336495

約数列:

[1, 5, 17, 85, 289, 691, 1445, 1999, 3455, 9995, 11747, 33983, 58735, 169915, 199699, 577711, 998495, 1381309, 2888555, 6906545, 23482253, 117411265, 399198301, 1995991505]

約数ペア:

[(1, 1995991505), (5, 399198301), (17, 117411265), (85, 23482253), (289, 6906545), (691, 2888555), (1445, 1381309), (1999, 998495), (3455, 577711), (9995, 199699), (11747, 169915), (33983, 58735)]