189664319

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1\times {\mathrm{683}}^1$

素因数の和:1258

約数の個数: 16

約数和(自身を含む): 209944224

約数和(自身を除く): 20279905

約数列:

[1, 13, 41, 521, 533, 683, 6773, 8879, 21361, 28003, 277693, 355843, 364039, 4625959, 14589563, 189664319]

約数ペア:

[(1, 189664319), (13, 14589563), (41, 4625959), (521, 364039), (533, 355843), (683, 277693), (6773, 28003), (8879, 21361)]