408488912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1963889}}^1$

素因数の和:1963910

約数の個数: 20

約数和(自身を含む): 852328260

約数和(自身を除く): 443839348

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1963889, 3927778, 7855556, 15711112, 25530557, 31422224, 51061114, 102122228, 204244456, 408488912]

約数ペア:

[(1, 408488912), (2, 204244456), (4, 102122228), (8, 51061114), (13, 31422224), (16, 25530557), (26, 15711112), (52, 7855556), (104, 3927778), (208, 1963889)]