217231352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{5107}}^1$

素因数の和:5535

約数の個数: 32

約数和(自身を含む): 439798800

約数和(自身を除く): 222567448

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 409, 818, 1636, 3272, 5107, 5317, 10214, 10634, 20428, 21268, 40856, 42536, 66391, 132782, 265564, 531128, 2088763, 4177526, 8355052, 16710104, 27153919, 54307838, 108615676, 217231352]

約数ペア:

[(1, 217231352), (2, 108615676), (4, 54307838), (8, 27153919), (13, 16710104), (26, 8355052), (52, 4177526), (104, 2088763), (409, 531128), (818, 265564), (1636, 132782), (3272, 66391), (5107, 42536), (5317, 40856), (10214, 21268), (10634, 20428)]