81297998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{52181}}^1$

素因数の和:52243

約数の個数: 16

約数和(自身を含む): 131498640

約数和(自身を除く): 50200642

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 52181, 104362, 991439, 1982878, 2139421, 4278842, 40648999, 81297998]

約数ペア:

[(1, 81297998), (2, 40648999), (19, 4278842), (38, 2139421), (41, 1982878), (82, 991439), (779, 104362), (1558, 52181)]