209986668

素因数分解:

$2^2\times 3^4\times {\mathrm{648107}}^1$

素因数の和:648123

約数の個数: 30

約数和(自身を含む): 548947476

約数和(自身を除く): 338960808

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 648107, 1296214, 1944321, 2592428, 3888642, 5832963, 7777284, 11665926, 17498889, 23331852, 34997778, 52496667, 69995556, 104993334, 209986668]

約数ペア:

[(1, 209986668), (2, 104993334), (3, 69995556), (4, 52496667), (6, 34997778), (9, 23331852), (12, 17498889), (18, 11665926), (27, 7777284), (36, 5832963), (54, 3888642), (81, 2592428), (108, 1944321), (162, 1296214), (324, 648107)]