289956511

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1237}}^1$

素因数の和:1355

約数の個数: 24

約数和(自身を含む): 335299920

約数和(自身を除く): 45343409

約数列:

[1, 13, 19, 73, 169, 247, 949, 1237, 1387, 3211, 12337, 16081, 18031, 23503, 90301, 209053, 234403, 305539, 1173913, 1715719, 3972007, 15260869, 22304347, 289956511]

約数ペア:

[(1, 289956511), (13, 22304347), (19, 15260869), (73, 3972007), (169, 1715719), (247, 1173913), (949, 305539), (1237, 234403), (1387, 209053), (3211, 90301), (12337, 23503), (16081, 18031)]