126591985

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{4049}}^1$

素因数の和:4117

約数の個数: 24

約数和(自身を含む): 168982200

約数和(自身を除く): 42390215

約数列:

[1, 5, 13, 37, 65, 169, 185, 481, 845, 2405, 4049, 6253, 20245, 31265, 52637, 149813, 263185, 684281, 749065, 1947569, 3421405, 9737845, 25318397, 126591985]

約数ペア:

[(1, 126591985), (5, 25318397), (13, 9737845), (37, 3421405), (65, 1947569), (169, 749065), (185, 684281), (481, 263185), (845, 149813), (2405, 52637), (4049, 31265), (6253, 20245)]