1288265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 1719360

約数和(自身を除く): 431095

約数列:

[1, 5, 11, 55, 59, 295, 397, 649, 1985, 3245, 4367, 21835, 23423, 117115, 257653, 1288265]

約数ペア:

[(1, 1288265), (5, 257653), (11, 117115), (55, 23423), (59, 21835), (295, 4367), (397, 3245), (649, 1985)]