12890265

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1517

約数の個数: 32

約数和(自身を含む): 22425600

約数和(自身を除く): 9535335

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1459, 1767, 2945, 4377, 7295, 8835, 21885, 27721, 45229, 83163, 135687, 138605, 226145, 415815, 678435, 859351, 2578053, 4296755, 12890265]

約数ペア:

[(1, 12890265), (3, 4296755), (5, 2578053), (15, 859351), (19, 678435), (31, 415815), (57, 226145), (93, 138605), (95, 135687), (155, 83163), (285, 45229), (465, 27721), (589, 21885), (1459, 8835), (1767, 7295), (2945, 4377)]