86581990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{16747}}^1$

素因数の和:16812

約数の個数: 32

約数和(自身を含む): 173643264

約数和(自身を除く): 87061274

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 235, 470, 517, 1034, 2585, 5170, 16747, 33494, 83735, 167470, 184217, 368434, 787109, 921085, 1574218, 1842170, 3935545, 7871090, 8658199, 17316398, 43290995, 86581990]

約数ペア:

[(1, 86581990), (2, 43290995), (5, 17316398), (10, 8658199), (11, 7871090), (22, 3935545), (47, 1842170), (55, 1574218), (94, 921085), (110, 787109), (235, 368434), (470, 184217), (517, 167470), (1034, 83735), (2585, 33494), (5170, 16747)]