1378916

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 48

約数和(自身を含む): 3115392

約数和(自身を除く): 1736476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 121, 148, 154, 242, 259, 308, 407, 484, 518, 814, 847, 1036, 1331, 1628, 1694, 2662, 2849, 3388, 4477, 5324, 5698, 8954, 9317, 11396, 17908, 18634, 31339, 37268, 49247, 62678, 98494, 125356, 196988, 344729, 689458, 1378916]

約数ペア:

[(1, 1378916), (2, 689458), (4, 344729), (7, 196988), (11, 125356), (14, 98494), (22, 62678), (28, 49247), (37, 37268), (44, 31339), (74, 18634), (77, 17908), (121, 11396), (148, 9317), (154, 8954), (242, 5698), (259, 5324), (308, 4477), (407, 3388), (484, 2849), (518, 2662), (814, 1694), (847, 1628), (1036, 1331)]