2161982978

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{41813}}^1$

素因数の和:42169

約数の個数: 16

約数和(自身を含む): 3287583936

約数和(自身を除く): 1125600958

約数列:

[1, 2, 103, 206, 251, 502, 25853, 41813, 51706, 83626, 4306739, 8613478, 10495063, 20990126, 1080991489, 2161982978]

約数ペア:

[(1, 2161982978), (2, 1080991489), (103, 20990126), (206, 10495063), (251, 8613478), (502, 4306739), (25853, 83626), (41813, 51706)]