257498262

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{2043637}}^1$

素因数の和:2043652

約数の個数: 24

約数和(自身を含む): 637615056

約数和(自身を除く): 380116794

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 2043637, 4087274, 6130911, 12261822, 14305459, 18392733, 28610918, 36785466, 42916377, 85832754, 128749131, 257498262]

約数ペア:

[(1, 257498262), (2, 128749131), (3, 85832754), (6, 42916377), (7, 36785466), (9, 28610918), (14, 18392733), (18, 14305459), (21, 12261822), (42, 6130911), (63, 4087274), (126, 2043637)]