77990425

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1109}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 101165400

約数和(自身を除く): 23174975

約数列:

[1, 5, 25, 29, 97, 145, 485, 725, 1109, 2425, 2813, 5545, 14065, 27725, 32161, 70325, 107573, 160805, 537865, 804025, 2689325, 3119617, 15598085, 77990425]

約数ペア:

[(1, 77990425), (5, 15598085), (25, 3119617), (29, 2689325), (97, 804025), (145, 537865), (485, 160805), (725, 107573), (1109, 70325), (2425, 32161), (2813, 27725), (5545, 14065)]