20131121479

素因数分解:

$7^1\times {\mathrm{233}}^1\times {\mathrm{1787}}^1\times {\mathrm{6907}}^1$

素因数の和:8934

約数の個数: 16

約数和(自身を含む): 23122015488

約数和(自身を除く): 2990894009

約数列:

[1, 7, 233, 1631, 1787, 6907, 12509, 48349, 416371, 1609331, 2914597, 11265317, 12342809, 86399663, 2875874497, 20131121479]

約数ペア:

[(1, 20131121479), (7, 2875874497), (233, 86399663), (1631, 12342809), (1787, 11265317), (6907, 2914597), (12509, 1609331), (48349, 416371)]