12642245

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4691}}^1$

素因数の和:4721

約数の個数: 24

約数和(自身を含む): 19255968

約数和(自身を除く): 6613723

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 4691, 23455, 32837, 51601, 164185, 229859, 258005, 361207, 1149295, 1806035, 2528449, 12642245]

約数ペア:

[(1, 12642245), (5, 2528449), (7, 1806035), (11, 1149295), (35, 361207), (49, 258005), (55, 229859), (77, 164185), (245, 51601), (385, 32837), (539, 23455), (2695, 4691)]