397331125

素因数分解:

$5^3\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{487}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 509753088

約数和(自身を除く): 112421963

約数列:

[1, 5, 25, 61, 107, 125, 305, 487, 535, 1525, 2435, 2675, 6527, 7625, 12175, 13375, 29707, 32635, 52109, 60875, 148535, 163175, 260545, 742675, 815875, 1302725, 3178649, 3713375, 6513625, 15893245, 79466225, 397331125]

約数ペア:

[(1, 397331125), (5, 79466225), (25, 15893245), (61, 6513625), (107, 3713375), (125, 3178649), (305, 1302725), (487, 815875), (535, 742675), (1525, 260545), (2435, 163175), (2675, 148535), (6527, 60875), (7625, 52109), (12175, 32635), (13375, 29707)]