206897875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 269568000

約数和(自身を除く): 62670125

約数列:

[1, 5, 25, 31, 107, 125, 155, 499, 535, 775, 2495, 2675, 3317, 3875, 12475, 13375, 15469, 16585, 53393, 62375, 77345, 82925, 266965, 386725, 414625, 1334825, 1655183, 1933625, 6674125, 8275915, 41379575, 206897875]

約数ペア:

[(1, 206897875), (5, 41379575), (25, 8275915), (31, 6674125), (107, 1933625), (125, 1655183), (155, 1334825), (499, 414625), (535, 386725), (775, 266965), (2495, 82925), (2675, 77345), (3317, 62375), (3875, 53393), (12475, 16585), (13375, 15469)]