819583921

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2143}}^1$

素因数の和:2273

約数の個数: 24

約数和(自身を含む): 929089536

約数和(自身を除く): 109505615

約数列:

[1, 13, 31, 73, 169, 403, 949, 2143, 2263, 5239, 12337, 27859, 29419, 66433, 156439, 362167, 382447, 863629, 2033707, 4849609, 11227177, 26438191, 63044917, 819583921]

約数ペア:

[(1, 819583921), (13, 63044917), (31, 26438191), (73, 11227177), (169, 4849609), (403, 2033707), (949, 863629), (2143, 382447), (2263, 362167), (5239, 156439), (12337, 66433), (27859, 29419)]