281125537

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{18917}}^1$

素因数の和:19128

約数の個数: 16

約数和(自身を含む): 352328832

約数和(自身を除く): 71203295

約数列:

[1, 7, 11, 77, 193, 1351, 2123, 14861, 18917, 132419, 208087, 1456609, 3650981, 25556867, 40160791, 281125537]

約数ペア:

[(1, 281125537), (7, 40160791), (11, 25556867), (77, 3650981), (193, 1456609), (1351, 208087), (2123, 132419), (14861, 18917)]