12971918255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{2027}}^1\times {\mathrm{75289}}^1$

素因数の和:77338

約数の個数: 16

約数和(自身を含む): 16490316960

約数和(自身を除く): 3518398705

約数列:

[1, 5, 17, 85, 2027, 10135, 34459, 75289, 172295, 376445, 1279913, 6399565, 152610803, 763054015, 2594383651, 12971918255]

約数ペア:

[(1, 12971918255), (5, 2594383651), (17, 763054015), (85, 152610803), (2027, 6399565), (10135, 1279913), (34459, 376445), (75289, 172295)]