1640821762

素因数分解:

$2^1\times {\mathrm{607}}^1\times {\mathrm{647}}^1\times {\mathrm{2089}}^1$

素因数の和:3345

約数の個数: 16

約数和(自身を含む): 2470279680

約数和(自身を除く): 829457918

約数列:

[1, 2, 607, 647, 1214, 1294, 2089, 4178, 392729, 785458, 1268023, 1351583, 2536046, 2703166, 820410881, 1640821762]

約数ペア:

[(1, 1640821762), (2, 820410881), (607, 2703166), (647, 2536046), (1214, 1351583), (1294, 1268023), (2089, 785458), (4178, 392729)]