398307964

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{10133}}^1$

素因数の和:10485

約数の個数: 24

約数和(自身を含む): 721865088

約数和(自身を除く): 323557124

約数列:

[1, 2, 4, 31, 62, 124, 317, 634, 1268, 9827, 10133, 19654, 20266, 39308, 40532, 314123, 628246, 1256492, 3212161, 6424322, 12848644, 99576991, 199153982, 398307964]

約数ペア:

[(1, 398307964), (2, 199153982), (4, 99576991), (31, 12848644), (62, 6424322), (124, 3212161), (317, 1256492), (634, 628246), (1268, 314123), (9827, 40532), (10133, 39308), (19654, 20266)]