207928495

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{4201}}^1$

素因数の和:4746

約数の個数: 16

約数和(自身を含む): 263213280

約数和(自身を除く): 55284785

約数列:

[1, 5, 19, 95, 521, 2605, 4201, 9899, 21005, 49495, 79819, 399095, 2188721, 10943605, 41585699, 207928495]

約数ペア:

[(1, 207928495), (5, 41585699), (19, 10943605), (95, 2188721), (521, 399095), (2605, 79819), (4201, 49495), (9899, 21005)]