66171625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1018

約数の個数: 32

約数和(自身を含む): 91099008

約数和(自身を除く): 24927383

約数列:

[1, 5, 13, 25, 43, 65, 125, 215, 325, 559, 947, 1075, 1625, 2795, 4735, 5375, 12311, 13975, 23675, 40721, 61555, 69875, 118375, 203605, 307775, 529373, 1018025, 1538875, 2646865, 5090125, 13234325, 66171625]

約数ペア:

[(1, 66171625), (5, 13234325), (13, 5090125), (25, 2646865), (43, 1538875), (65, 1018025), (125, 529373), (215, 307775), (325, 203605), (559, 118375), (947, 69875), (1075, 61555), (1625, 40721), (2795, 23675), (4735, 13975), (5375, 12311)]