664002

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1042

約数の個数: 24

約数和(自身を含む): 1479036

約数和(自身を除く): 815034

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 997, 1994, 2991, 5982, 8973, 17946, 36889, 73778, 110667, 221334, 332001, 664002]

約数ペア:

[(1, 664002), (2, 332001), (3, 221334), (6, 110667), (9, 73778), (18, 36889), (37, 17946), (74, 8973), (111, 5982), (222, 2991), (333, 1994), (666, 997)]