399024928

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{656291}}^1$

素因数の和:656320

約数の個数: 24

約数和(自身を含む): 826927920

約数和(自身を除く): 427902992

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 656291, 1312582, 2625164, 5250328, 10500656, 12469529, 21001312, 24939058, 49878116, 99756232, 199512464, 399024928]

約数ペア:

[(1, 399024928), (2, 199512464), (4, 99756232), (8, 49878116), (16, 24939058), (19, 21001312), (32, 12469529), (38, 10500656), (76, 5250328), (152, 2625164), (304, 1312582), (608, 656291)]