312705154

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1\times {\mathrm{431}}^1$

素因数の和:826

約数の個数: 32

約数和(自身を含む): 504610560

約数和(自身を除く): 191905406

約数列:

[1, 2, 19, 38, 61, 122, 313, 431, 626, 862, 1159, 2318, 5947, 8189, 11894, 16378, 19093, 26291, 38186, 52582, 134903, 269806, 362767, 499529, 725534, 999058, 2563157, 5126314, 8229083, 16458166, 156352577, 312705154]

約数ペア:

[(1, 312705154), (2, 156352577), (19, 16458166), (38, 8229083), (61, 5126314), (122, 2563157), (313, 999058), (431, 725534), (626, 499529), (862, 362767), (1159, 269806), (2318, 134903), (5947, 52582), (8189, 38186), (11894, 26291), (16378, 19093)]