73191643

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 88547904

約数和(自身を除く): 15356261

約数列:

[1, 7, 47, 49, 61, 329, 427, 521, 2303, 2867, 2989, 3647, 20069, 24487, 25529, 31781, 140483, 171409, 222467, 1199863, 1493707, 1557269, 10455949, 73191643]

約数ペア:

[(1, 73191643), (7, 10455949), (47, 1557269), (49, 1493707), (61, 1199863), (329, 222467), (427, 171409), (521, 140483), (2303, 31781), (2867, 25529), (2989, 24487), (3647, 20069)]