72209291

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:696

約数の個数: 36

約数和(自身を含む): 97340040

約数和(自身を除く): 25130749

約数列:

[1, 7, 11, 19, 49, 77, 121, 133, 209, 539, 641, 847, 931, 1463, 2299, 4487, 5929, 7051, 10241, 12179, 16093, 31409, 49357, 77561, 85253, 112651, 133969, 345499, 542927, 596771, 937783, 1473659, 3800489, 6564481, 10315613, 72209291]

約数ペア:

[(1, 72209291), (7, 10315613), (11, 6564481), (19, 3800489), (49, 1473659), (77, 937783), (121, 596771), (133, 542927), (209, 345499), (539, 133969), (641, 112651), (847, 85253), (931, 77561), (1463, 49357), (2299, 31409), (4487, 16093), (5929, 12179), (7051, 10241)]