81275504

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{6949}}^1$

素因数の和:7017

約数の個数: 40

約数和(自身を含む): 170636400

約数和(自身を除く): 89360896

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 172, 272, 344, 688, 731, 1462, 2924, 5848, 6949, 11696, 13898, 27796, 55592, 111184, 118133, 236266, 298807, 472532, 597614, 945064, 1195228, 1890128, 2390456, 4780912, 5079719, 10159438, 20318876, 40637752, 81275504]

約数ペア:

[(1, 81275504), (2, 40637752), (4, 20318876), (8, 10159438), (16, 5079719), (17, 4780912), (34, 2390456), (43, 1890128), (68, 1195228), (86, 945064), (136, 597614), (172, 472532), (272, 298807), (344, 236266), (688, 118133), (731, 111184), (1462, 55592), (2924, 27796), (5848, 13898), (6949, 11696)]