1644687632

素因数分解:

$2^4\times 7^1\times {\mathrm{181}}^1\times {\mathrm{81131}}^1$

素因数の和:81327

約数の個数: 40

約数和(自身を含む): 3661973952

約数和(自身を除く): 2017286320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181, 362, 724, 1267, 1448, 2534, 2896, 5068, 10136, 20272, 81131, 162262, 324524, 567917, 649048, 1135834, 1298096, 2271668, 4543336, 9086672, 14684711, 29369422, 58738844, 102792977, 117477688, 205585954, 234955376, 411171908, 822343816, 1644687632]

約数ペア:

[(1, 1644687632), (2, 822343816), (4, 411171908), (7, 234955376), (8, 205585954), (14, 117477688), (16, 102792977), (28, 58738844), (56, 29369422), (112, 14684711), (181, 9086672), (362, 4543336), (724, 2271668), (1267, 1298096), (1448, 1135834), (2534, 649048), (2896, 567917), (5068, 324524), (10136, 162262), (20272, 81131)]