201297875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 266872320

約数和(自身を除く): 65574445

約数列:

[1, 5, 19, 25, 95, 125, 131, 475, 647, 655, 2375, 2489, 3235, 3275, 12293, 12445, 16175, 16375, 61465, 62225, 80875, 84757, 307325, 311125, 423785, 1536625, 1610383, 2118925, 8051915, 10594625, 40259575, 201297875]

約数ペア:

[(1, 201297875), (5, 40259575), (19, 10594625), (25, 8051915), (95, 2118925), (125, 1610383), (131, 1536625), (475, 423785), (647, 311125), (655, 307325), (2375, 84757), (2489, 80875), (3235, 62225), (3275, 61465), (12293, 16375), (12445, 16175)]