81590218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{30241}}^1$

素因数の和:30333

約数の個数: 16

約数和(自身を含む): 130645440

約数和(自身を除く): 49055222

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 30241, 60482, 574579, 1149158, 2147111, 4294222, 40795109, 81590218]

約数ペア:

[(1, 81590218), (2, 40795109), (19, 4294222), (38, 2147111), (71, 1149158), (142, 574579), (1349, 60482), (2698, 30241)]