287998928

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{761}}^1$

素因数の和:916

約数の個数: 80

約数和(自身を含む): 665195520

約数和(自身を除く): 377196592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 109, 112, 124, 217, 218, 248, 434, 436, 496, 761, 763, 868, 872, 1522, 1526, 1736, 1744, 3044, 3052, 3379, 3472, 5327, 6088, 6104, 6758, 10654, 12176, 12208, 13516, 21308, 23591, 23653, 27032, 42616, 47182, 47306, 54064, 82949, 85232, 94364, 94612, 165137, 165898, 188728, 189224, 330274, 331796, 377456, 378448, 580643, 660548, 663592, 1161286, 1321096, 1327184, 2322572, 2571419, 2642192, 4645144, 5142838, 9290288, 10285676, 17999933, 20571352, 35999866, 41142704, 71999732, 143999464, 287998928]

約数ペア:

[(1, 287998928), (2, 143999464), (4, 71999732), (7, 41142704), (8, 35999866), (14, 20571352), (16, 17999933), (28, 10285676), (31, 9290288), (56, 5142838), (62, 4645144), (109, 2642192), (112, 2571419), (124, 2322572), (217, 1327184), (218, 1321096), (248, 1161286), (434, 663592), (436, 660548), (496, 580643), (761, 378448), (763, 377456), (868, 331796), (872, 330274), (1522, 189224), (1526, 188728), (1736, 165898), (1744, 165137), (3044, 94612), (3052, 94364), (3379, 85232), (3472, 82949), (5327, 54064), (6088, 47306), (6104, 47182), (6758, 42616), (10654, 27032), (12176, 23653), (12208, 23591), (13516, 21308)]