1291805

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:244

約数の個数: 16

約数和(自身を含む): 1641600

約数和(自身を除く): 349795

約数列:

[1, 5, 29, 59, 145, 151, 295, 755, 1711, 4379, 8555, 8909, 21895, 44545, 258361, 1291805]

約数ペア:

[(1, 1291805), (5, 258361), (29, 44545), (59, 21895), (145, 8909), (151, 8555), (295, 4379), (755, 1711)]