209894004

素因数分解:

$2^2\times 3^4\times {\mathrm{647821}}^1$

素因数の和:647837

約数の個数: 30

約数和(自身を含む): 548705234

約数和(自身を除く): 338811230

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 647821, 1295642, 1943463, 2591284, 3886926, 5830389, 7773852, 11660778, 17491167, 23321556, 34982334, 52473501, 69964668, 104947002, 209894004]

約数ペア:

[(1, 209894004), (2, 104947002), (3, 69964668), (4, 52473501), (6, 34982334), (9, 23321556), (12, 17491167), (18, 11660778), (27, 7773852), (36, 5830389), (54, 3886926), (81, 2591284), (108, 1943463), (162, 1295642), (324, 647821)]