1397456

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{523}}^1$

素因数の和:698

約数の個数: 20

約数和(自身を含む): 2728992

約数和(自身を除く): 1331536

約数列:

[1, 2, 4, 8, 16, 167, 334, 523, 668, 1046, 1336, 2092, 2672, 4184, 8368, 87341, 174682, 349364, 698728, 1397456]

約数ペア:

[(1, 1397456), (2, 698728), (4, 349364), (8, 174682), (16, 87341), (167, 8368), (334, 4184), (523, 2672), (668, 2092), (1046, 1336)]