1639668

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{1277}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 3864672

約数和(自身を除く): 2225004

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1277, 1284, 2554, 3831, 5108, 7662, 15324, 136639, 273278, 409917, 546556, 819834, 1639668]

約数ペア:

[(1, 1639668), (2, 819834), (3, 546556), (4, 409917), (6, 273278), (12, 136639), (107, 15324), (214, 7662), (321, 5108), (428, 3831), (642, 2554), (1277, 1284)]