78642748

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{60869}}^1$

素因数の和:60909

約数の個数: 24

約数和(自身を含む): 153392400

約数和(自身を除く): 74749652

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 60869, 121738, 243476, 1034773, 1156511, 2069546, 2313022, 4139092, 4626044, 19660687, 39321374, 78642748]

約数ペア:

[(1, 78642748), (2, 39321374), (4, 19660687), (17, 4626044), (19, 4139092), (34, 2313022), (38, 2069546), (68, 1156511), (76, 1034773), (323, 243476), (646, 121738), (1292, 60869)]