128583812

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{42131}}^1$

素因数の和:42251

約数の個数: 24

約数和(自身を含む): 259533120

約数和(自身を除く): 130949308

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 42131, 84262, 168524, 294917, 589834, 1179668, 4592279, 9184558, 18369116, 32145953, 64291906, 128583812]

約数ペア:

[(1, 128583812), (2, 64291906), (4, 32145953), (7, 18369116), (14, 9184558), (28, 4592279), (109, 1179668), (218, 589834), (436, 294917), (763, 168524), (1526, 84262), (3052, 42131)]