666972

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:298

約数の個数: 36

約数和(自身を含む): 1712256

約数和(自身を除く): 1045284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 191, 194, 291, 382, 388, 573, 582, 764, 873, 1146, 1164, 1719, 1746, 2292, 3438, 3492, 6876, 18527, 37054, 55581, 74108, 111162, 166743, 222324, 333486, 666972]

約数ペア:

[(1, 666972), (2, 333486), (3, 222324), (4, 166743), (6, 111162), (9, 74108), (12, 55581), (18, 37054), (36, 18527), (97, 6876), (191, 3492), (194, 3438), (291, 2292), (382, 1746), (388, 1719), (573, 1164), (582, 1146), (764, 873)]