208889442

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:405

約数の個数: 80

約数和(自身を含む): 484526592

約数和(自身を除く): 275637150

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 157, 162, 191, 258, 314, 382, 387, 471, 573, 774, 942, 1146, 1161, 1413, 1719, 2322, 2826, 3438, 3483, 4239, 5157, 6751, 6966, 8213, 8478, 10314, 12717, 13502, 15471, 16426, 20253, 24639, 25434, 29987, 30942, 40506, 49278, 59974, 60759, 73917, 89961, 121518, 147834, 179922, 182277, 221751, 269883, 364554, 443502, 539766, 546831, 665253, 809649, 1093662, 1289441, 1330506, 1619298, 2428947, 2578882, 3868323, 4857894, 7736646, 11604969, 23209938, 34814907, 69629814, 104444721, 208889442]

約数ペア:

[(1, 208889442), (2, 104444721), (3, 69629814), (6, 34814907), (9, 23209938), (18, 11604969), (27, 7736646), (43, 4857894), (54, 3868323), (81, 2578882), (86, 2428947), (129, 1619298), (157, 1330506), (162, 1289441), (191, 1093662), (258, 809649), (314, 665253), (382, 546831), (387, 539766), (471, 443502), (573, 364554), (774, 269883), (942, 221751), (1146, 182277), (1161, 179922), (1413, 147834), (1719, 121518), (2322, 89961), (2826, 73917), (3438, 60759), (3483, 59974), (4239, 49278), (5157, 40506), (6751, 30942), (6966, 29987), (8213, 25434), (8478, 24639), (10314, 20253), (12717, 16426), (13502, 15471)]