666396

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 1710072

約数和(自身を除く): 1043676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 173, 214, 321, 346, 428, 519, 642, 692, 963, 1038, 1284, 1557, 1926, 2076, 3114, 3852, 6228, 18511, 37022, 55533, 74044, 111066, 166599, 222132, 333198, 666396]

約数ペア:

[(1, 666396), (2, 333198), (3, 222132), (4, 166599), (6, 111066), (9, 74044), (12, 55533), (18, 37022), (36, 18511), (107, 6228), (173, 3852), (214, 3114), (321, 2076), (346, 1926), (428, 1557), (519, 1284), (642, 1038), (692, 963)]