81763884

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{10663}}^1$

素因数の和:10747

約数の個数: 48

約数和(自身を含む): 214986240

約数和(自身を除く): 133222356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 2556, 3834, 7668, 10663, 21326, 31989, 42652, 63978, 95967, 127956, 191934, 287901, 383868, 575802, 757073, 1151604, 1514146, 2271219, 3028292, 4542438, 6813657, 9084876, 13627314, 20440971, 27254628, 40881942, 81763884]

約数ペア:

[(1, 81763884), (2, 40881942), (3, 27254628), (4, 20440971), (6, 13627314), (9, 9084876), (12, 6813657), (18, 4542438), (27, 3028292), (36, 2271219), (54, 1514146), (71, 1151604), (108, 757073), (142, 575802), (213, 383868), (284, 287901), (426, 191934), (639, 127956), (852, 95967), (1278, 63978), (1917, 42652), (2556, 31989), (3834, 21326), (7668, 10663)]