668964

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 1578528

約数和(自身を除く): 909564

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 521, 642, 1042, 1284, 1563, 2084, 3126, 6252, 55747, 111494, 167241, 222988, 334482, 668964]

約数ペア:

[(1, 668964), (2, 334482), (3, 222988), (4, 167241), (6, 111494), (12, 55747), (107, 6252), (214, 3126), (321, 2084), (428, 1563), (521, 1284), (642, 1042)]