321173888

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^2\times {\mathrm{373}}^1$

素因数の和:456

約数の個数: 96

約数和(自身を含む): 757619280

約数和(自身を除く): 436445392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 373, 434, 448, 496, 746, 868, 896, 961, 992, 1492, 1736, 1922, 1984, 2611, 2984, 3472, 3844, 3968, 5222, 5968, 6727, 6944, 7688, 10444, 11563, 11936, 13454, 13888, 15376, 20888, 23126, 23872, 26908, 27776, 30752, 41776, 46252, 47744, 53816, 61504, 80941, 83552, 92504, 107632, 123008, 161882, 167104, 185008, 215264, 323764, 334208, 358453, 370016, 430528, 647528, 716906, 740032, 861056, 1295056, 1433812, 1480064, 2509171, 2590112, 2867624, 5018342, 5180224, 5735248, 10036684, 10360448, 11470496, 20073368, 22940992, 40146736, 45881984, 80293472, 160586944, 321173888]

約数ペア:

[(1, 321173888), (2, 160586944), (4, 80293472), (7, 45881984), (8, 40146736), (14, 22940992), (16, 20073368), (28, 11470496), (31, 10360448), (32, 10036684), (56, 5735248), (62, 5180224), (64, 5018342), (112, 2867624), (124, 2590112), (128, 2509171), (217, 1480064), (224, 1433812), (248, 1295056), (373, 861056), (434, 740032), (448, 716906), (496, 647528), (746, 430528), (868, 370016), (896, 358453), (961, 334208), (992, 323764), (1492, 215264), (1736, 185008), (1922, 167104), (1984, 161882), (2611, 123008), (2984, 107632), (3472, 92504), (3844, 83552), (3968, 80941), (5222, 61504), (5968, 53816), (6727, 47744), (6944, 46252), (7688, 41776), (10444, 30752), (11563, 27776), (11936, 26908), (13454, 23872), (13888, 23126), (15376, 20888)]