388638728

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{5573}}^1$

素因数の和:5981

約数の個数: 32

約数和(自身を含む): 762523200

約数和(自身を除く): 373884472

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 379, 758, 1516, 3032, 5573, 8717, 11146, 17434, 22292, 34868, 44584, 69736, 128179, 256358, 512716, 1025432, 2112167, 4224334, 8448668, 16897336, 48579841, 97159682, 194319364, 388638728]

約数ペア:

[(1, 388638728), (2, 194319364), (4, 97159682), (8, 48579841), (23, 16897336), (46, 8448668), (92, 4224334), (184, 2112167), (379, 1025432), (758, 512716), (1516, 256358), (3032, 128179), (5573, 69736), (8717, 44584), (11146, 34868), (17434, 22292)]