208045578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{12641}}^1$

素因数の和:12870

約数の個数: 32

約数和(自身を含む): 450257472

約数和(自身を除く): 242211894

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 211, 422, 633, 1266, 2743, 5486, 8229, 12641, 16458, 25282, 37923, 75846, 164333, 328666, 492999, 985998, 2667251, 5334502, 8001753, 16003506, 34674263, 69348526, 104022789, 208045578]

約数ペア:

[(1, 208045578), (2, 104022789), (3, 69348526), (6, 34674263), (13, 16003506), (26, 8001753), (39, 5334502), (78, 2667251), (211, 985998), (422, 492999), (633, 328666), (1266, 164333), (2743, 75846), (5486, 37923), (8229, 25282), (12641, 16458)]