291220878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1481}}^1\times {\mathrm{2521}}^1$

素因数の和:4020

約数の個数: 32

約数和(自身を含む): 627917472

約数和(自身を除く): 336696594

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1481, 2521, 2962, 4443, 5042, 7563, 8886, 15126, 19253, 32773, 38506, 57759, 65546, 98319, 115518, 196638, 3733601, 7467202, 11200803, 22401606, 48536813, 97073626, 145610439, 291220878]

約数ペア:

[(1, 291220878), (2, 145610439), (3, 97073626), (6, 48536813), (13, 22401606), (26, 11200803), (39, 7467202), (78, 3733601), (1481, 196638), (2521, 115518), (2962, 98319), (4443, 65546), (5042, 57759), (7563, 38506), (8886, 32773), (15126, 19253)]