12977972

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12527}}^1$

素因数の和:12575

約数の個数: 24

約数和(自身を含む): 26659584

約数和(自身を除く): 13681612

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 12527, 25054, 50108, 87689, 175378, 350756, 463499, 926998, 1853996, 3244493, 6488986, 12977972]

約数ペア:

[(1, 12977972), (2, 6488986), (4, 3244493), (7, 1853996), (14, 926998), (28, 463499), (37, 350756), (74, 175378), (148, 87689), (259, 50108), (518, 25054), (1036, 12527)]