81480334

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{28751}}^1$

素因数の和:28875

約数の個数: 16

約数和(自身を含む): 132834240

約数和(自身を除く): 51353906

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 28751, 57502, 373763, 747526, 3133859, 6267718, 40740167, 81480334]

約数ペア:

[(1, 81480334), (2, 40740167), (13, 6267718), (26, 3133859), (109, 747526), (218, 373763), (1417, 57502), (2834, 28751)]