16690625

素因数分解:

$5^5\times 7^2\times {\mathrm{109}}^1$

素因数の和:148

約数の個数: 36

約数和(自身を含む): 24490620

約数和(自身を除く): 7799995

約数列:

[1, 5, 7, 25, 35, 49, 109, 125, 175, 245, 545, 625, 763, 875, 1225, 2725, 3125, 3815, 4375, 5341, 6125, 13625, 19075, 21875, 26705, 30625, 68125, 95375, 133525, 153125, 340625, 476875, 667625, 2384375, 3338125, 16690625]

約数ペア:

[(1, 16690625), (5, 3338125), (7, 2384375), (25, 667625), (35, 476875), (49, 340625), (109, 153125), (125, 133525), (175, 95375), (245, 68125), (545, 30625), (625, 26705), (763, 21875), (875, 19075), (1225, 13625), (2725, 6125), (3125, 5341), (3815, 4375)]