1286291216

素因数分解:

$2^4\times 7^1\times {\mathrm{919}}^1\times {\mathrm{12497}}^1$

素因数の和:13431

約数の個数: 40

約数和(自身を含む): 2851543680

約数和(自身を除く): 1565252464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 919, 1838, 3676, 6433, 7352, 12497, 12866, 14704, 24994, 25732, 49988, 51464, 87479, 99976, 102928, 174958, 199952, 349916, 699832, 1399664, 11484743, 22969486, 45938972, 80393201, 91877944, 160786402, 183755888, 321572804, 643145608, 1286291216]

約数ペア:

[(1, 1286291216), (2, 643145608), (4, 321572804), (7, 183755888), (8, 160786402), (14, 91877944), (16, 80393201), (28, 45938972), (56, 22969486), (112, 11484743), (919, 1399664), (1838, 699832), (3676, 349916), (6433, 199952), (7352, 174958), (12497, 102928), (12866, 99976), (14704, 87479), (24994, 51464), (25732, 49988)]