28244875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:280

約数の個数: 32

約数和(自身を含む): 37559808

約数和(自身を除く): 9314933

約数列:

[1, 5, 25, 31, 37, 125, 155, 185, 197, 775, 925, 985, 1147, 3875, 4625, 4925, 5735, 6107, 7289, 24625, 28675, 30535, 36445, 143375, 152675, 182225, 225959, 763375, 911125, 1129795, 5648975, 28244875]

約数ペア:

[(1, 28244875), (5, 5648975), (25, 1129795), (31, 911125), (37, 763375), (125, 225959), (155, 182225), (185, 152675), (197, 143375), (775, 36445), (925, 30535), (985, 28675), (1147, 24625), (3875, 7289), (4625, 6107), (4925, 5735)]