1213449985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{2531}}^1$

素因数の和:2949

約数の個数: 32

約数和(自身を含む): 1662612480

約数和(自身を除く): 449162495

約数列:

[1, 5, 11, 23, 55, 115, 253, 379, 1265, 1895, 2531, 4169, 8717, 12655, 20845, 27841, 43585, 58213, 95887, 139205, 291065, 479435, 640343, 959249, 3201715, 4796245, 10551739, 22062727, 52758695, 110313635, 242689997, 1213449985]

約数ペア:

[(1, 1213449985), (5, 242689997), (11, 110313635), (23, 52758695), (55, 22062727), (115, 10551739), (253, 4796245), (379, 3201715), (1265, 959249), (1895, 640343), (2531, 479435), (4169, 291065), (8717, 139205), (12655, 95887), (20845, 58213), (27841, 43585)]