278364016

素因数分解:

$2^4\times 7^1\times {\mathrm{2485393}}^1$

素因数の和:2485408

約数の個数: 20

約数和(自身を含む): 616377712

約数和(自身を除く): 338013696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2485393, 4970786, 9941572, 17397751, 19883144, 34795502, 39766288, 69591004, 139182008, 278364016]

約数ペア:

[(1, 278364016), (2, 139182008), (4, 69591004), (7, 39766288), (8, 34795502), (14, 19883144), (16, 17397751), (28, 9941572), (56, 4970786), (112, 2485393)]