316288349

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 374419584

約数和(自身を除く): 58131235

約数列:

[1, 13, 17, 43, 83, 221, 401, 559, 731, 1079, 1411, 3569, 5213, 6817, 9503, 17243, 18343, 33283, 46397, 60673, 88621, 224159, 293131, 432679, 565811, 788749, 1431169, 3810703, 7355543, 18605197, 24329873, 316288349]

約数ペア:

[(1, 316288349), (13, 24329873), (17, 18605197), (43, 7355543), (83, 3810703), (221, 1431169), (401, 788749), (559, 565811), (731, 432679), (1079, 293131), (1411, 224159), (3569, 88621), (5213, 60673), (6817, 46397), (9503, 33283), (17243, 18343)]