12405265

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 15333840

約数和(自身を除く): 2928575

約数列:

[1, 5, 61, 89, 305, 445, 457, 2285, 5429, 27145, 27877, 40673, 139385, 203365, 2481053, 12405265]

約数ペア:

[(1, 12405265), (5, 2481053), (61, 203365), (89, 139385), (305, 40673), (445, 27877), (457, 27145), (2285, 5429)]