1279789736

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{161753}}^1$

素因数の和:161825

約数の個数: 32

約数和(自身を含む): 2562183360

約数和(自身を除く): 1282393624

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 3956, 7912, 161753, 323506, 647012, 1294024, 3720319, 6955379, 7440638, 13910758, 14881276, 27821516, 29762552, 55643032, 159973717, 319947434, 639894868, 1279789736]

約数ペア:

[(1, 1279789736), (2, 639894868), (4, 319947434), (8, 159973717), (23, 55643032), (43, 29762552), (46, 27821516), (86, 14881276), (92, 13910758), (172, 7440638), (184, 6955379), (344, 3720319), (989, 1294024), (1978, 647012), (3956, 323506), (7912, 161753)]