12890315

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:526

約数の個数: 16

約数和(自身を含む): 15876000

約数和(自身を除く): 2985685

約数列:

[1, 5, 83, 89, 349, 415, 445, 1745, 7387, 28967, 31061, 36935, 144835, 155305, 2578063, 12890315]

約数ペア:

[(1, 12890315), (5, 2578063), (83, 155305), (89, 144835), (349, 36935), (415, 31061), (445, 28967), (1745, 7387)]