2557698

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 6077568

約数和(自身を除く): 3519870

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 121, 143, 242, 271, 286, 363, 429, 542, 726, 813, 858, 1573, 1626, 2981, 3146, 3523, 4719, 5962, 7046, 8943, 9438, 10569, 17886, 21138, 32791, 38753, 65582, 77506, 98373, 116259, 196746, 232518, 426283, 852566, 1278849, 2557698]

約数ペア:

[(1, 2557698), (2, 1278849), (3, 852566), (6, 426283), (11, 232518), (13, 196746), (22, 116259), (26, 98373), (33, 77506), (39, 65582), (66, 38753), (78, 32791), (121, 21138), (143, 17886), (242, 10569), (271, 9438), (286, 8943), (363, 7046), (429, 5962), (542, 4719), (726, 3523), (813, 3146), (858, 2981), (1573, 1626)]