397345670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2091293}}^1$

素因数の和:2091319

約数の個数: 16

約数和(自身を含む): 752865840

約数和(自身を除く): 355520170

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 2091293, 4182586, 10456465, 20912930, 39734567, 79469134, 198672835, 397345670]

約数ペア:

[(1, 397345670), (2, 198672835), (5, 79469134), (10, 39734567), (19, 20912930), (38, 10456465), (95, 4182586), (190, 2091293)]