640299297

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{10111}}^1$

素因数の和:10245

約数の個数: 32

約数和(自身を含む): 990167040

約数和(自身を除く): 349867743

約数列:

[1, 3, 11, 19, 33, 57, 101, 209, 303, 627, 1111, 1919, 3333, 5757, 10111, 21109, 30333, 63327, 111221, 192109, 333663, 576327, 1021211, 2113199, 3063633, 6339597, 11233321, 19403009, 33699963, 58209027, 213433099, 640299297]

約数ペア:

[(1, 640299297), (3, 213433099), (11, 58209027), (19, 33699963), (33, 19403009), (57, 11233321), (101, 6339597), (209, 3063633), (303, 2113199), (627, 1021211), (1111, 576327), (1919, 333663), (3333, 192109), (5757, 111221), (10111, 63327), (21109, 30333)]