82839980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{243647}}^1$

素因数の和:243673

約数の個数: 24

約数和(自身を含む): 184197888

約数和(自身を除く): 101357908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 243647, 487294, 974588, 1218235, 2436470, 4141999, 4872940, 8283998, 16567996, 20709995, 41419990, 82839980]

約数ペア:

[(1, 82839980), (2, 41419990), (4, 20709995), (5, 16567996), (10, 8283998), (17, 4872940), (20, 4141999), (34, 2436470), (68, 1218235), (85, 974588), (170, 487294), (340, 243647)]