26980816

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{31817}}^1$

素因数の和:31878

約数の個数: 20

約数和(自身を含む): 53263332

約数和(自身を除く): 26282516

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 31817, 63634, 127268, 254536, 509072, 1686301, 3372602, 6745204, 13490408, 26980816]

約数ペア:

[(1, 26980816), (2, 13490408), (4, 6745204), (8, 3372602), (16, 1686301), (53, 509072), (106, 254536), (212, 127268), (424, 63634), (848, 31817)]