838691728

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{202387}}^1$

素因数の和:202439

約数の個数: 40

約数和(自身を含む): 1907304512

約数和(自身を除く): 1068612784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 202387, 404774, 809548, 1416709, 1619096, 2833418, 3238192, 5666836, 7488319, 11333672, 14976638, 22667344, 29953276, 52418233, 59906552, 104836466, 119813104, 209672932, 419345864, 838691728]

約数ペア:

[(1, 838691728), (2, 419345864), (4, 209672932), (7, 119813104), (8, 104836466), (14, 59906552), (16, 52418233), (28, 29953276), (37, 22667344), (56, 14976638), (74, 11333672), (112, 7488319), (148, 5666836), (259, 3238192), (296, 2833418), (518, 1619096), (592, 1416709), (1036, 809548), (2072, 404774), (4144, 202387)]