720136439

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2\times {\mathrm{97}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 893501280

約数和(自身を除く): 173364841

約数列:

[1, 11, 17, 29, 37, 97, 187, 319, 407, 493, 629, 1067, 1073, 1369, 1649, 2813, 3589, 5423, 6919, 11803, 15059, 18139, 18241, 23273, 30943, 39479, 39701, 47821, 61013, 104081, 132793, 200651, 256003, 436711, 526031, 671143, 674917, 1144891, 1460723, 1769377, 2257481, 3850997, 7424087, 19463147, 24832291, 42360967, 65466949, 720136439]

約数ペア:

[(1, 720136439), (11, 65466949), (17, 42360967), (29, 24832291), (37, 19463147), (97, 7424087), (187, 3850997), (319, 2257481), (407, 1769377), (493, 1460723), (629, 1144891), (1067, 674917), (1073, 671143), (1369, 526031), (1649, 436711), (2813, 256003), (3589, 200651), (5423, 132793), (6919, 104081), (11803, 61013), (15059, 47821), (18139, 39701), (18241, 39479), (23273, 30943)]