399620992

素因数分解:

$2^7\times {\mathrm{1279}}^1\times {\mathrm{2441}}^1$

素因数の和:3734

約数の個数: 32

約数和(自身を含む): 797068800

約数和(自身を除く): 397447808

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 1279, 2441, 2558, 4882, 5116, 9764, 10232, 19528, 20464, 39056, 40928, 78112, 81856, 156224, 163712, 312448, 3122039, 6244078, 12488156, 24976312, 49952624, 99905248, 199810496, 399620992]

約数ペア:

[(1, 399620992), (2, 199810496), (4, 99905248), (8, 49952624), (16, 24976312), (32, 12488156), (64, 6244078), (128, 3122039), (1279, 312448), (2441, 163712), (2558, 156224), (4882, 81856), (5116, 78112), (9764, 40928), (10232, 39056), (19528, 20464)]