129975856

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{102829}}^1$

素因数の和:102916

約数の個数: 20

約数和(自身を含む): 255018400

約数和(自身を除く): 125042544

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 102829, 205658, 411316, 822632, 1645264, 8123491, 16246982, 32493964, 64987928, 129975856]

約数ペア:

[(1, 129975856), (2, 64987928), (4, 32493964), (8, 16246982), (16, 8123491), (79, 1645264), (158, 822632), (316, 411316), (632, 205658), (1264, 102829)]