397260478

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{1481}}^1\times {\mathrm{1889}}^1$

素因数の和:3443

約数の個数: 16

約数和(自身を含む): 605011680

約数和(自身を除く): 207751202

約数列:

[1, 2, 71, 142, 1481, 1889, 2962, 3778, 105151, 134119, 210302, 268238, 2797609, 5595218, 198630239, 397260478]

約数ペア:

[(1, 397260478), (2, 198630239), (71, 5595218), (142, 2797609), (1481, 268238), (1889, 210302), (2962, 134119), (3778, 105151)]