291216296

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{120937}}^1$

素因数の和:120993

約数の個数: 32

約数和(自身を含む): 638552640

約数和(自身を除く): 347336344

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 120937, 241874, 483748, 846559, 967496, 1693118, 3386236, 5200291, 6772472, 10400582, 20801164, 36402037, 41602328, 72804074, 145608148, 291216296]

約数ペア:

[(1, 291216296), (2, 145608148), (4, 72804074), (7, 41602328), (8, 36402037), (14, 20801164), (28, 10400582), (43, 6772472), (56, 5200291), (86, 3386236), (172, 1693118), (301, 967496), (344, 846559), (602, 483748), (1204, 241874), (2408, 120937)]