1581268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 3048192

約数和(自身を除く): 1466924

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 647, 1222, 1294, 2444, 2588, 8411, 16822, 30409, 33644, 60818, 121636, 395317, 790634, 1581268]

約数ペア:

[(1, 1581268), (2, 790634), (4, 395317), (13, 121636), (26, 60818), (47, 33644), (52, 30409), (94, 16822), (188, 8411), (611, 2588), (647, 2444), (1222, 1294)]