128426956

素因数分解:

$2^2\times 7^1\times {\mathrm{887}}^1\times {\mathrm{5171}}^1$

素因数の和:6069

約数の個数: 24

約数和(自身を含む): 257193216

約数和(自身を除く): 128766260

約数列:

[1, 2, 4, 7, 14, 28, 887, 1774, 3548, 5171, 6209, 10342, 12418, 20684, 24836, 36197, 72394, 144788, 4586677, 9173354, 18346708, 32106739, 64213478, 128426956]

約数ペア:

[(1, 128426956), (2, 64213478), (4, 32106739), (7, 18346708), (14, 9173354), (28, 4586677), (887, 144788), (1774, 72394), (3548, 36197), (5171, 24836), (6209, 20684), (10342, 12418)]