217475725

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{2003}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 278812512

約数和(自身を除く): 61336787

約数列:

[1, 5, 25, 43, 101, 215, 505, 1075, 2003, 2525, 4343, 10015, 21715, 50075, 86129, 108575, 202303, 430645, 1011515, 2153225, 5057575, 8699029, 43495145, 217475725]

約数ペア:

[(1, 217475725), (5, 43495145), (25, 8699029), (43, 5057575), (101, 2153225), (215, 1011515), (505, 430645), (1075, 202303), (2003, 108575), (2525, 86129), (4343, 50075), (10015, 21715)]