278330466986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{973183451}}^1$

素因数の和:973183477

約数の個数: 16

約数和(自身を含む): 490484459808

約数和(自身を除く): 212153992822

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 973183451, 1946366902, 10705017961, 12651384863, 21410035922, 25302769726, 139165233493, 278330466986]

約数ペア:

[(1, 278330466986), (2, 139165233493), (11, 25302769726), (13, 21410035922), (22, 12651384863), (26, 10705017961), (143, 1946366902), (286, 973183451)]