917990549

素因数分解:

$7^2\times {\mathrm{73}}^1\times {\mathrm{271}}^1\times {\mathrm{947}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 1087636608

約数和(自身を除く): 169646059

約数列:

[1, 7, 49, 73, 271, 511, 947, 1897, 3577, 6629, 13279, 19783, 46403, 69131, 138481, 256637, 483917, 969367, 1796459, 3387419, 12575213, 18734501, 131141507, 917990549]

約数ペア:

[(1, 917990549), (7, 131141507), (49, 18734501), (73, 12575213), (271, 3387419), (511, 1796459), (947, 969367), (1897, 483917), (3577, 256637), (6629, 138481), (13279, 69131), (19783, 46403)]