123908155

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 191600640

約数和(自身を除く): 67692485

約数列:

[1, 5, 7, 17, 29, 35, 43, 85, 119, 145, 167, 203, 215, 301, 493, 595, 731, 835, 1015, 1169, 1247, 1505, 2465, 2839, 3451, 3655, 4843, 5117, 5845, 6235, 7181, 8729, 14195, 17255, 19873, 21199, 24215, 25585, 33901, 35905, 43645, 50267, 82331, 99365, 105995, 122077, 148393, 169505, 208249, 251335, 411655, 576317, 610385, 741965, 854539, 1041245, 1457743, 2881585, 3540233, 4272695, 7288715, 17701165, 24781631, 123908155]

約数ペア:

[(1, 123908155), (5, 24781631), (7, 17701165), (17, 7288715), (29, 4272695), (35, 3540233), (43, 2881585), (85, 1457743), (119, 1041245), (145, 854539), (167, 741965), (203, 610385), (215, 576317), (301, 411655), (493, 251335), (595, 208249), (731, 169505), (835, 148393), (1015, 122077), (1169, 105995), (1247, 99365), (1505, 82331), (2465, 50267), (2839, 43645), (3451, 35905), (3655, 33901), (4843, 25585), (5117, 24215), (5845, 21199), (6235, 19873), (7181, 17255), (8729, 14195)]