2180906

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 4209408

約数和(自身を除く): 2028502

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 521, 598, 1042, 2093, 3647, 4186, 6773, 7294, 11983, 13546, 23966, 47411, 83881, 94822, 155779, 167762, 311558, 1090453, 2180906]

約数ペア:

[(1, 2180906), (2, 1090453), (7, 311558), (13, 167762), (14, 155779), (23, 94822), (26, 83881), (46, 47411), (91, 23966), (161, 13546), (182, 11983), (299, 7294), (322, 6773), (521, 4186), (598, 3647), (1042, 2093)]