72718910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9311}}^1$

素因数の和:9400

約数の個数: 32

約数和(自身を含む): 144820224

約数和(自身を除く): 72101314

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 9311, 18622, 46555, 93110, 102421, 204842, 512105, 661081, 1024210, 1322162, 3305405, 6610810, 7271891, 14543782, 36359455, 72718910]

約数ペア:

[(1, 72718910), (2, 36359455), (5, 14543782), (10, 7271891), (11, 6610810), (22, 3305405), (55, 1322162), (71, 1024210), (110, 661081), (142, 512105), (355, 204842), (710, 102421), (781, 93110), (1562, 46555), (3905, 18622), (7810, 9311)]