31377906

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1901}}^1$

素因数の和:2047

約数の個数: 48

約数和(自身を含む): 78331968

約数和(自身を除く): 46954062

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 131, 262, 393, 786, 917, 1179, 1834, 1901, 2358, 2751, 3802, 5502, 5703, 8253, 11406, 13307, 16506, 17109, 26614, 34218, 39921, 79842, 119763, 239526, 249031, 498062, 747093, 1494186, 1743217, 2241279, 3486434, 4482558, 5229651, 10459302, 15688953, 31377906]

約数ペア:

[(1, 31377906), (2, 15688953), (3, 10459302), (6, 5229651), (7, 4482558), (9, 3486434), (14, 2241279), (18, 1743217), (21, 1494186), (42, 747093), (63, 498062), (126, 249031), (131, 239526), (262, 119763), (393, 79842), (786, 39921), (917, 34218), (1179, 26614), (1834, 17109), (1901, 16506), (2358, 13307), (2751, 11406), (3802, 8253), (5502, 5703)]