81607996

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{10789}}^1$

素因数の和:10885

約数の個数: 24

約数和(自身を含む): 149851520

約数和(自身を除く): 68243524

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 244, 1891, 3782, 7564, 10789, 21578, 43156, 334459, 658129, 668918, 1316258, 1337836, 2632516, 20401999, 40803998, 81607996]

約数ペア:

[(1, 81607996), (2, 40803998), (4, 20401999), (31, 2632516), (61, 1337836), (62, 1316258), (122, 668918), (124, 658129), (244, 334459), (1891, 43156), (3782, 21578), (7564, 10789)]