398540144

素因数分解:

$2^4\times {\mathrm{2719}}^1\times {\mathrm{9161}}^1$

素因数の和:11888

約数の個数: 20

約数和(自身を含む): 772539840

約数和(自身を除く): 373999696

約数列:

[1, 2, 4, 8, 16, 2719, 5438, 9161, 10876, 18322, 21752, 36644, 43504, 73288, 146576, 24908759, 49817518, 99635036, 199270072, 398540144]

約数ペア:

[(1, 398540144), (2, 199270072), (4, 99635036), (8, 49817518), (16, 24908759), (2719, 146576), (5438, 73288), (9161, 43504), (10876, 36644), (18322, 21752)]