81201805

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1\times {\mathrm{503}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 99066240

約数和(自身を除く): 17864435

約数列:

[1, 5, 83, 389, 415, 503, 1945, 2515, 32287, 41749, 161435, 195667, 208745, 978335, 16240361, 81201805]

約数ペア:

[(1, 81201805), (5, 16240361), (83, 978335), (389, 208745), (415, 195667), (503, 161435), (1945, 41749), (2515, 32287)]