31678218

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:460

約数の個数: 96

約数和(自身を含む): 83446272

約数和(自身を除く): 51768054

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 31, 33, 39, 62, 66, 78, 93, 99, 117, 143, 186, 198, 234, 279, 286, 341, 397, 403, 429, 558, 682, 794, 806, 858, 1023, 1191, 1209, 1287, 2046, 2382, 2418, 2574, 3069, 3573, 3627, 4367, 4433, 5161, 6138, 7146, 7254, 8734, 8866, 10322, 12307, 13101, 13299, 15483, 24614, 26202, 26598, 30966, 36921, 39303, 39897, 46449, 56771, 73842, 78606, 79794, 92898, 110763, 113542, 135377, 159991, 170313, 221526, 270754, 319982, 340626, 406131, 479973, 510939, 812262, 959946, 1021878, 1218393, 1439919, 1759901, 2436786, 2879838, 3519802, 5279703, 10559406, 15839109, 31678218]

約数ペア:

[(1, 31678218), (2, 15839109), (3, 10559406), (6, 5279703), (9, 3519802), (11, 2879838), (13, 2436786), (18, 1759901), (22, 1439919), (26, 1218393), (31, 1021878), (33, 959946), (39, 812262), (62, 510939), (66, 479973), (78, 406131), (93, 340626), (99, 319982), (117, 270754), (143, 221526), (186, 170313), (198, 159991), (234, 135377), (279, 113542), (286, 110763), (341, 92898), (397, 79794), (403, 78606), (429, 73842), (558, 56771), (682, 46449), (794, 39897), (806, 39303), (858, 36921), (1023, 30966), (1191, 26598), (1209, 26202), (1287, 24614), (2046, 15483), (2382, 13299), (2418, 13101), (2574, 12307), (3069, 10322), (3573, 8866), (3627, 8734), (4367, 7254), (4433, 7146), (5161, 6138)]