668260175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{6121}}^1$

素因数の和:6539

約数の個数: 24

約数和(自身を含む): 906398832

約数和(自身を除く): 238138657

約数列:

[1, 5, 11, 25, 55, 275, 397, 1985, 4367, 6121, 9925, 21835, 30605, 67331, 109175, 153025, 336655, 1683275, 2430037, 12150185, 26730407, 60750925, 133652035, 668260175]

約数ペア:

[(1, 668260175), (5, 133652035), (11, 60750925), (25, 26730407), (55, 12150185), (275, 2430037), (397, 1683275), (1985, 336655), (4367, 153025), (6121, 109175), (9925, 67331), (21835, 30605)]