311936807

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 391716864

約数和(自身を除く): 79780057

約数列:

[1, 7, 13, 91, 131, 137, 191, 917, 959, 1337, 1703, 1781, 2483, 11921, 12467, 17381, 17947, 25021, 26167, 125629, 175147, 183169, 233311, 325273, 340171, 1633177, 2276911, 2381197, 3427877, 23995139, 44562401, 311936807]

約数ペア:

[(1, 311936807), (7, 44562401), (13, 23995139), (91, 3427877), (131, 2381197), (137, 2276911), (191, 1633177), (917, 340171), (959, 325273), (1337, 233311), (1703, 183169), (1781, 175147), (2483, 125629), (11921, 26167), (12467, 25021), (17381, 17947)]