209724317

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^2$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 242252640

約数和(自身を除く): 32528323

約数列:

[1, 11, 29, 83, 89, 319, 913, 979, 2407, 2581, 7387, 7921, 26477, 28391, 81257, 87131, 214223, 229709, 657443, 2356453, 2526799, 7231873, 19065847, 209724317]

約数ペア:

[(1, 209724317), (11, 19065847), (29, 7231873), (83, 2526799), (89, 2356453), (319, 657443), (913, 229709), (979, 214223), (2407, 87131), (2581, 81257), (7387, 28391), (7921, 26477)]