20131318346

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 32236047360

約数和(自身を除く): 12104729014

約数列:

[1, 2, 31, 62, 67, 109, 134, 173, 218, 257, 346, 514, 2077, 3379, 4154, 5363, 6758, 7303, 7967, 10726, 11591, 14606, 15934, 17219, 18857, 23182, 28013, 34438, 37714, 44461, 56026, 88922, 226393, 359321, 452786, 533789, 584567, 718642, 868403, 1067578, 1169134, 1263419, 1378291, 1736806, 1876871, 2526838, 2756582, 2978887, 3753742, 4846249, 5957774, 9692498, 39165989, 58183001, 78331978, 92345497, 116366002, 150233719, 184690994, 300467438, 324698683, 649397366, 10065659173, 20131318346]

約数ペア:

[(1, 20131318346), (2, 10065659173), (31, 649397366), (62, 324698683), (67, 300467438), (109, 184690994), (134, 150233719), (173, 116366002), (218, 92345497), (257, 78331978), (346, 58183001), (514, 39165989), (2077, 9692498), (3379, 5957774), (4154, 4846249), (5363, 3753742), (6758, 2978887), (7303, 2756582), (7967, 2526838), (10726, 1876871), (11591, 1736806), (14606, 1378291), (15934, 1263419), (17219, 1169134), (18857, 1067578), (23182, 868403), (28013, 718642), (34438, 584567), (37714, 533789), (44461, 452786), (56026, 359321), (88922, 226393)]