81331996

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{1307}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 145910016

約数和(自身を除く): 64578020

約数列:

[1, 2, 4, 47, 94, 188, 331, 662, 1307, 1324, 2614, 5228, 15557, 31114, 61429, 62228, 122858, 245716, 432617, 865234, 1730468, 20332999, 40665998, 81331996]

約数ペア:

[(1, 81331996), (2, 40665998), (4, 20332999), (47, 1730468), (94, 865234), (188, 432617), (331, 245716), (662, 122858), (1307, 62228), (1324, 61429), (2614, 31114), (5228, 15557)]