247321286

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{20249}}^1$

素因数の和:20479

約数の個数: 16

約数和(自身を含む): 384912000

約数和(自身を除く): 137590714

約数列:

[1, 2, 31, 62, 197, 394, 6107, 12214, 20249, 40498, 627719, 1255438, 3989053, 7978106, 123660643, 247321286]

約数ペア:

[(1, 247321286), (2, 123660643), (31, 7978106), (62, 3989053), (197, 1255438), (394, 627719), (6107, 40498), (12214, 20249)]