212912689

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2503}}^1$

素因数の和:2581

約数の個数: 24

約数和(自身を含む): 253104320

約数和(自身を除く): 40191631

約数列:

[1, 11, 19, 37, 121, 209, 407, 703, 2299, 2503, 4477, 7733, 27533, 47557, 85063, 92611, 302863, 523127, 1018721, 1759609, 5754397, 11205931, 19355699, 212912689]

約数ペア:

[(1, 212912689), (11, 19355699), (19, 11205931), (37, 5754397), (121, 1759609), (209, 1018721), (407, 523127), (703, 302863), (2299, 92611), (2503, 85063), (4477, 47557), (7733, 27533)]