278315716

素因数分解:

$2^2\times 7^1\times {\mathrm{821}}^1\times {\mathrm{12107}}^1$

素因数の和:12939

約数の個数: 24

約数和(自身を含む): 557355456

約数和(自身を除く): 279039740

約数列:

[1, 2, 4, 7, 14, 28, 821, 1642, 3284, 5747, 11494, 12107, 22988, 24214, 48428, 84749, 169498, 338996, 9939847, 19879694, 39759388, 69578929, 139157858, 278315716]

約数ペア:

[(1, 278315716), (2, 139157858), (4, 69578929), (7, 39759388), (14, 19879694), (28, 9939847), (821, 338996), (1642, 169498), (3284, 84749), (5747, 48428), (11494, 24214), (12107, 22988)]