81987664

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{42349}}^1$

素因数の和:42379

約数の個数: 30

約数和(自身を含む): 174609050

約数和(自身を除く): 92621386

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 42349, 84698, 169396, 338792, 465839, 677584, 931678, 1863356, 3726712, 5124229, 7453424, 10248458, 20496916, 40993832, 81987664]

約数ペア:

[(1, 81987664), (2, 40993832), (4, 20496916), (8, 10248458), (11, 7453424), (16, 5124229), (22, 3726712), (44, 1863356), (88, 931678), (121, 677584), (176, 465839), (242, 338792), (484, 169396), (968, 84698), (1936, 42349)]