12786890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{75217}}^1$

素因数の和:75241

約数の個数: 16

約数和(自身を含む): 24370632

約数和(自身を除く): 11583742

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 75217, 150434, 376085, 752170, 1278689, 2557378, 6393445, 12786890]

約数ペア:

[(1, 12786890), (2, 6393445), (5, 2557378), (10, 1278689), (17, 752170), (34, 376085), (85, 150434), (170, 75217)]