664568716

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{12433}}^1$

素因数の和:12550

約数の個数: 48

約数和(自身を含む): 1403748864

約数和(自身を除く): 739180148

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 83, 92, 161, 166, 322, 332, 581, 644, 1162, 1909, 2324, 3818, 7636, 12433, 13363, 24866, 26726, 49732, 53452, 87031, 174062, 285959, 348124, 571918, 1031939, 1143836, 2001713, 2063878, 4003426, 4127756, 7223573, 8006852, 14447146, 23734597, 28894292, 47469194, 94938388, 166142179, 332284358, 664568716]

約数ペア:

[(1, 664568716), (2, 332284358), (4, 166142179), (7, 94938388), (14, 47469194), (23, 28894292), (28, 23734597), (46, 14447146), (83, 8006852), (92, 7223573), (161, 4127756), (166, 4003426), (322, 2063878), (332, 2001713), (581, 1143836), (644, 1031939), (1162, 571918), (1909, 348124), (2324, 285959), (3818, 174062), (7636, 87031), (12433, 53452), (13363, 49732), (24866, 26726)]