209280728

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{638051}}^1$

素因数の和:638098

約数の個数: 16

約数和(自身を含む): 401972760

約数和(自身を除く): 192692032

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 638051, 1276102, 2552204, 5104408, 26160091, 52320182, 104640364, 209280728]

約数ペア:

[(1, 209280728), (2, 104640364), (4, 52320182), (8, 26160091), (41, 5104408), (82, 2552204), (164, 1276102), (328, 638051)]