278013985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{12143}}^1$

素因数の和:12408

約数の個数: 16

約数和(自身を含む): 352661760

約数和(自身を除く): 74647775

約数列:

[1, 5, 19, 95, 241, 1205, 4579, 12143, 22895, 60715, 230717, 1153585, 2926463, 14632315, 55602797, 278013985]

約数ペア:

[(1, 278013985), (5, 55602797), (19, 14632315), (95, 2926463), (241, 1153585), (1205, 230717), (4579, 60715), (12143, 22895)]