1668688

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:379

約数の個数: 40

約数和(自身を含む): 3785472

約数和(自身を除く): 2116784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 317, 329, 376, 634, 658, 752, 1268, 1316, 2219, 2536, 2632, 4438, 5072, 5264, 8876, 14899, 17752, 29798, 35504, 59596, 104293, 119192, 208586, 238384, 417172, 834344, 1668688]

約数ペア:

[(1, 1668688), (2, 834344), (4, 417172), (7, 238384), (8, 208586), (14, 119192), (16, 104293), (28, 59596), (47, 35504), (56, 29798), (94, 17752), (112, 14899), (188, 8876), (317, 5264), (329, 5072), (376, 4438), (634, 2632), (658, 2536), (752, 2219), (1268, 1316)]