81722264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2719}}^1$

素因数の和:2772

約数の個数: 48

約数和(自身を含む): 175358400

約数和(自身を除く): 93636136

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 289, 442, 578, 884, 1156, 1768, 2312, 2719, 3757, 5438, 7514, 10876, 15028, 21752, 30056, 35347, 46223, 70694, 92446, 141388, 184892, 282776, 369784, 600899, 785791, 1201798, 1571582, 2403596, 3143164, 4807192, 6286328, 10215283, 20430566, 40861132, 81722264]

約数ペア:

[(1, 81722264), (2, 40861132), (4, 20430566), (8, 10215283), (13, 6286328), (17, 4807192), (26, 3143164), (34, 2403596), (52, 1571582), (68, 1201798), (104, 785791), (136, 600899), (221, 369784), (289, 282776), (442, 184892), (578, 141388), (884, 92446), (1156, 70694), (1768, 46223), (2312, 35347), (2719, 30056), (3757, 21752), (5438, 15028), (7514, 10876)]