261569008

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{41179}}^1$

素因数の和:41584

約数の個数: 20

約数和(自身を含む): 508078840

約数和(自身を除く): 246509832

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3176, 6352, 41179, 82358, 164716, 329432, 658864, 16348063, 32696126, 65392252, 130784504, 261569008]

約数ペア:

[(1, 261569008), (2, 130784504), (4, 65392252), (8, 32696126), (16, 16348063), (397, 658864), (794, 329432), (1588, 164716), (3176, 82358), (6352, 41179)]