12843925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 17248896

約数和(自身を除く): 4404971

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 643, 799, 1175, 3215, 3995, 10931, 16075, 19975, 30221, 54655, 151105, 273275, 513757, 755525, 2568785, 12843925]

約数ペア:

[(1, 12843925), (5, 2568785), (17, 755525), (25, 513757), (47, 273275), (85, 151105), (235, 54655), (425, 30221), (643, 19975), (799, 16075), (1175, 10931), (3215, 3995)]