12121989265

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{547639}}^1$

素因数の和:547896

約数の個数: 16

約数和(自身を含む): 15377731200

約数和(自身を除く): 3255741935

約数列:

[1, 5, 19, 95, 233, 1165, 4427, 22135, 547639, 2738195, 10405141, 52025705, 127599887, 637999435, 2424397853, 12121989265]

約数ペア:

[(1, 12121989265), (5, 2424397853), (19, 637999435), (95, 127599887), (233, 52025705), (1165, 10405141), (4427, 2738195), (22135, 547639)]