28200848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{135581}}^1$

素因数の和:135602

約数の個数: 20

約数和(自身を含む): 58842588

約数和(自身を除く): 30641740

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 135581, 271162, 542324, 1084648, 1762553, 2169296, 3525106, 7050212, 14100424, 28200848]

約数ペア:

[(1, 28200848), (2, 14100424), (4, 7050212), (8, 3525106), (13, 2169296), (16, 1762553), (26, 1084648), (52, 542324), (104, 271162), (208, 135581)]