397658930

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{560083}}^1$

素因数の和:560161

約数の個数: 16

約数和(自身を含む): 725868864

約数和(自身を除く): 328209934

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 560083, 1120166, 2800415, 5600830, 39765893, 79531786, 198829465, 397658930]

約数ペア:

[(1, 397658930), (2, 198829465), (5, 79531786), (10, 39765893), (71, 5600830), (142, 2800415), (355, 1120166), (710, 560083)]