1982256656

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{125269}}^1$

素因数の和:125343

約数の個数: 40

約数和(自身を含む): 4100838720

約数和(自身を除く): 2118582064

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1978, 3956, 7912, 15824, 125269, 250538, 501076, 1002152, 2004304, 2881187, 5386567, 5762374, 10773134, 11524748, 21546268, 23049496, 43092536, 46098992, 86185072, 123891041, 247782082, 495564164, 991128328, 1982256656]

約数ペア:

[(1, 1982256656), (2, 991128328), (4, 495564164), (8, 247782082), (16, 123891041), (23, 86185072), (43, 46098992), (46, 43092536), (86, 23049496), (92, 21546268), (172, 11524748), (184, 10773134), (344, 5762374), (368, 5386567), (688, 2881187), (989, 2004304), (1978, 1002152), (3956, 501076), (7912, 250538), (15824, 125269)]