18182125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:262

約数の個数: 32

約数和(自身を含む): 24950016

約数和(自身を除く): 6767891

約数列:

[1, 5, 13, 25, 65, 67, 125, 167, 325, 335, 835, 871, 1625, 1675, 2171, 4175, 4355, 8375, 10855, 11189, 20875, 21775, 54275, 55945, 108875, 145457, 271375, 279725, 727285, 1398625, 3636425, 18182125]

約数ペア:

[(1, 18182125), (5, 3636425), (13, 1398625), (25, 727285), (65, 279725), (67, 271375), (125, 145457), (167, 108875), (325, 55945), (335, 54275), (835, 21775), (871, 20875), (1625, 11189), (1675, 10855), (2171, 8375), (4175, 4355)]