208028816

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{245317}}^1$

素因数の和:245378

約数の個数: 20

約数和(自身を含む): 410662332

約数和(自身を除く): 202633516

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 245317, 490634, 981268, 1962536, 3925072, 13001801, 26003602, 52007204, 104014408, 208028816]

約数ペア:

[(1, 208028816), (2, 104014408), (4, 52007204), (8, 26003602), (16, 13001801), (53, 3925072), (106, 1962536), (212, 981268), (424, 490634), (848, 245317)]