180879985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{252979}}^1$

素因数の和:253008

約数の個数: 16

約数和(自身を含む): 255003840

約数和(自身を除く): 74123855

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 252979, 1264895, 2782769, 3288727, 13913845, 16443635, 36175997, 180879985]

約数ペア:

[(1, 180879985), (5, 36175997), (11, 16443635), (13, 13913845), (55, 3288727), (65, 2782769), (143, 1264895), (715, 252979)]