1640752638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2056081}}^1$

素因数の和:2056112

約数の個数: 32

約数和(自身を含む): 3947677440

約数和(自身を除く): 2306924802

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 2056081, 4112162, 6168243, 12336486, 14392567, 28785134, 39065539, 43177701, 78131078, 86355402, 117196617, 234393234, 273458773, 546917546, 820376319, 1640752638]

約数ペア:

[(1, 1640752638), (2, 820376319), (3, 546917546), (6, 273458773), (7, 234393234), (14, 117196617), (19, 86355402), (21, 78131078), (38, 43177701), (42, 39065539), (57, 28785134), (114, 14392567), (133, 12336486), (266, 6168243), (399, 4112162), (798, 2056081)]