1931345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 2557632

約数和(自身を除く): 626287

約数列:

[1, 5, 13, 43, 65, 215, 559, 691, 2795, 3455, 8983, 29713, 44915, 148565, 386269, 1931345]

約数ペア:

[(1, 1931345), (5, 386269), (13, 148565), (43, 44915), (65, 29713), (215, 8983), (559, 3455), (691, 2795)]