421640404

素因数分解:

$2^2\times {\mathrm{199}}^1\times {\mathrm{431}}^1\times {\mathrm{1229}}^1$

素因数の和:1863

約数の個数: 24

約数和(自身を含む): 743904000

約数和(自身を除く): 322263596

約数列:

[1, 2, 4, 199, 398, 431, 796, 862, 1229, 1724, 2458, 4916, 85769, 171538, 244571, 343076, 489142, 529699, 978284, 1059398, 2118796, 105410101, 210820202, 421640404]

約数ペア:

[(1, 421640404), (2, 210820202), (4, 105410101), (199, 2118796), (398, 1059398), (431, 978284), (796, 529699), (862, 489142), (1229, 343076), (1724, 244571), (2458, 171538), (4916, 85769)]