16955972

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:740

約数の個数: 36

約数和(自身を含む): 33281388

約数和(自身を除く): 16325416

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 121, 212, 242, 484, 583, 661, 1166, 1322, 2332, 2644, 6413, 7271, 12826, 14542, 25652, 29084, 35033, 70066, 79981, 140132, 159962, 319924, 385363, 770726, 1541452, 4238993, 8477986, 16955972]

約数ペア:

[(1, 16955972), (2, 8477986), (4, 4238993), (11, 1541452), (22, 770726), (44, 385363), (53, 319924), (106, 159962), (121, 140132), (212, 79981), (242, 70066), (484, 35033), (583, 29084), (661, 25652), (1166, 14542), (1322, 12826), (2332, 7271), (2644, 6413)]