1388557872

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1721}}^1$

素因数の和:2179

約数の個数: 120

約数和(自身を含む): 4197106368

約数和(自身を除く): 2808548496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 431, 468, 624, 862, 936, 1293, 1721, 1724, 1872, 2586, 3442, 3448, 3879, 5163, 5172, 5603, 6884, 6896, 7758, 10326, 10344, 11206, 13768, 15489, 15516, 16809, 20652, 20688, 22373, 22412, 27536, 30978, 31032, 33618, 41304, 44746, 44824, 50427, 61956, 62064, 67119, 67236, 82608, 89492, 89648, 100854, 123912, 134238, 134472, 178984, 201357, 201708, 247824, 268476, 268944, 357968, 402714, 403416, 536952, 741751, 805428, 806832, 1073904, 1483502, 1610856, 2225253, 2967004, 3221712, 4450506, 5934008, 6675759, 8901012, 9642763, 11868016, 13351518, 17802024, 19285526, 26703036, 28928289, 35604048, 38571052, 53406072, 57856578, 77142104, 86784867, 106812144, 115713156, 154284208, 173569734, 231426312, 347139468, 462852624, 694278936, 1388557872]

約数ペア:

[(1, 1388557872), (2, 694278936), (3, 462852624), (4, 347139468), (6, 231426312), (8, 173569734), (9, 154284208), (12, 115713156), (13, 106812144), (16, 86784867), (18, 77142104), (24, 57856578), (26, 53406072), (36, 38571052), (39, 35604048), (48, 28928289), (52, 26703036), (72, 19285526), (78, 17802024), (104, 13351518), (117, 11868016), (144, 9642763), (156, 8901012), (208, 6675759), (234, 5934008), (312, 4450506), (431, 3221712), (468, 2967004), (624, 2225253), (862, 1610856), (936, 1483502), (1293, 1073904), (1721, 806832), (1724, 805428), (1872, 741751), (2586, 536952), (3442, 403416), (3448, 402714), (3879, 357968), (5163, 268944), (5172, 268476), (5603, 247824), (6884, 201708), (6896, 201357), (7758, 178984), (10326, 134472), (10344, 134238), (11206, 123912), (13768, 100854), (15489, 89648), (15516, 89492), (16809, 82608), (20652, 67236), (20688, 67119), (22373, 62064), (22412, 61956), (27536, 50427), (30978, 44824), (31032, 44746), (33618, 41304)]