1639347824

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{379}}^1\times {\mathrm{6287}}^1$

素因数の和:6717

約数の個数: 40

約数和(自身を含む): 3259196160

約数和(自身を除く): 1619848336

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 379, 688, 758, 1516, 3032, 6064, 6287, 12574, 16297, 25148, 32594, 50296, 65188, 100592, 130376, 260752, 270341, 540682, 1081364, 2162728, 2382773, 4325456, 4765546, 9531092, 19062184, 38124368, 102459239, 204918478, 409836956, 819673912, 1639347824]

約数ペア:

[(1, 1639347824), (2, 819673912), (4, 409836956), (8, 204918478), (16, 102459239), (43, 38124368), (86, 19062184), (172, 9531092), (344, 4765546), (379, 4325456), (688, 2382773), (758, 2162728), (1516, 1081364), (3032, 540682), (6064, 270341), (6287, 260752), (12574, 130376), (16297, 100592), (25148, 65188), (32594, 50296)]