321431488

素因数分解:

$2^6\times 7^1\times {\mathrm{433}}^1\times {\mathrm{1657}}^1$

素因数の和:2109

約数の個数: 56

約数和(自身を含む): 731085152

約数和(自身を除く): 409653664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 433, 448, 866, 1657, 1732, 3031, 3314, 3464, 6062, 6628, 6928, 11599, 12124, 13256, 13856, 23198, 24248, 26512, 27712, 46396, 48496, 53024, 92792, 96992, 106048, 185584, 193984, 371168, 717481, 742336, 1434962, 2869924, 5022367, 5739848, 10044734, 11479696, 20089468, 22959392, 40178936, 45918784, 80357872, 160715744, 321431488]

約数ペア:

[(1, 321431488), (2, 160715744), (4, 80357872), (7, 45918784), (8, 40178936), (14, 22959392), (16, 20089468), (28, 11479696), (32, 10044734), (56, 5739848), (64, 5022367), (112, 2869924), (224, 1434962), (433, 742336), (448, 717481), (866, 371168), (1657, 193984), (1732, 185584), (3031, 106048), (3314, 96992), (3464, 92792), (6062, 53024), (6628, 48496), (6928, 46396), (11599, 27712), (12124, 26512), (13256, 24248), (13856, 23198)]