16991825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1019}}^1$

素因数の和:1081

約数の個数: 24

約数和(自身を含む): 22766400

約数和(自身を除く): 5774575

約数列:

[1, 5, 23, 25, 29, 115, 145, 575, 667, 725, 1019, 3335, 5095, 16675, 23437, 25475, 29551, 117185, 147755, 585925, 679673, 738775, 3398365, 16991825]

約数ペア:

[(1, 16991825), (5, 3398365), (23, 738775), (25, 679673), (29, 585925), (115, 147755), (145, 117185), (575, 29551), (667, 25475), (725, 23437), (1019, 16675), (3335, 5095)]