678889801

素因数分解:

${\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 734605512

約数和(自身を除く): 55715711

約数列:

[1, 31, 37, 61, 313, 961, 1147, 1891, 2257, 9703, 11581, 19093, 35557, 58621, 69967, 300793, 359011, 591883, 706441, 2168977, 11129341, 18348373, 21899671, 678889801]

約数ペア:

[(1, 678889801), (31, 21899671), (37, 18348373), (61, 11129341), (313, 2168977), (961, 706441), (1147, 591883), (1891, 359011), (2257, 300793), (9703, 69967), (11581, 58621), (19093, 35557)]