81699416

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8461}}^1$

素因数の和:8555

約数の個数: 32

約数和(自身を含む): 164501280

約数和(自身を除く): 82801864

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 568, 1207, 2414, 4828, 8461, 9656, 16922, 33844, 67688, 143837, 287674, 575348, 600731, 1150696, 1201462, 2402924, 4805848, 10212427, 20424854, 40849708, 81699416]

約数ペア:

[(1, 81699416), (2, 40849708), (4, 20424854), (8, 10212427), (17, 4805848), (34, 2402924), (68, 1201462), (71, 1150696), (136, 600731), (142, 575348), (284, 287674), (568, 143837), (1207, 67688), (2414, 33844), (4828, 16922), (8461, 9656)]