278988478

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{15217}}^1$

素因数の和:15411

約数の個数: 16

約数和(自身を含む): 427321440

約数和(自身を除く): 148332962

約数列:

[1, 2, 89, 103, 178, 206, 9167, 15217, 18334, 30434, 1354313, 1567351, 2708626, 3134702, 139494239, 278988478]

約数ペア:

[(1, 278988478), (2, 139494239), (89, 3134702), (103, 2708626), (178, 1567351), (206, 1354313), (9167, 30434), (15217, 18334)]