216945155

素因数分解:

$5^1\times 7^1\times {\mathrm{829}}^1\times {\mathrm{7477}}^1$

素因数の和:8318

約数の個数: 16

約数和(自身を含む): 297923520

約数和(自身を除く): 80978365

約数列:

[1, 5, 7, 35, 829, 4145, 5803, 7477, 29015, 37385, 52339, 261695, 6198433, 30992165, 43389031, 216945155]

約数ペア:

[(1, 216945155), (5, 43389031), (7, 30992165), (35, 6198433), (829, 261695), (4145, 52339), (5803, 37385), (7477, 29015)]