1639291238

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{798097}}^1$

素因数の和:798191

約数の個数: 16

約数和(自身を含む): 2681609280

約数和(自身を除く): 1042318042

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 798097, 1596194, 10375261, 20750522, 63049663, 126099326, 819645619, 1639291238]

約数ペア:

[(1, 1639291238), (2, 819645619), (13, 126099326), (26, 63049663), (79, 20750522), (158, 10375261), (1027, 1596194), (2054, 798097)]