258681358

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{773}}^1$

素因数の和:1060

約数の個数: 32

約数和(自身を含む): 427285152

約数和(自身を除く): 168603794

約数列:

[1, 2, 13, 26, 61, 122, 211, 422, 773, 793, 1546, 1586, 2743, 5486, 10049, 12871, 20098, 25742, 47153, 94306, 163103, 167323, 326206, 334646, 612989, 1225978, 2120339, 4240678, 9949283, 19898566, 129340679, 258681358]

約数ペア:

[(1, 258681358), (2, 129340679), (13, 19898566), (26, 9949283), (61, 4240678), (122, 2120339), (211, 1225978), (422, 612989), (773, 334646), (793, 326206), (1546, 167323), (1586, 163103), (2743, 94306), (5486, 47153), (10049, 25742), (12871, 20098)]