664356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{719}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 1935360

約数和(自身を除く): 1271004

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 719, 924, 1438, 2157, 2876, 4314, 5033, 7909, 8628, 10066, 15099, 15818, 20132, 23727, 30198, 31636, 47454, 55363, 60396, 94908, 110726, 166089, 221452, 332178, 664356]

約数ペア:

[(1, 664356), (2, 332178), (3, 221452), (4, 166089), (6, 110726), (7, 94908), (11, 60396), (12, 55363), (14, 47454), (21, 31636), (22, 30198), (28, 23727), (33, 20132), (42, 15818), (44, 15099), (66, 10066), (77, 8628), (84, 7909), (132, 5033), (154, 4314), (231, 2876), (308, 2157), (462, 1438), (719, 924)]