40397539

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{797}}^1$

素因数の和:1374

約数の個数: 16

約数和(自身を含む): 49871808

約数和(自身を除く): 9474269

約数列:

[1, 7, 13, 91, 557, 797, 3899, 5579, 7241, 10361, 50687, 72527, 443929, 3107503, 5771077, 40397539]

約数ペア:

[(1, 40397539), (7, 5771077), (13, 3107503), (91, 443929), (557, 72527), (797, 50687), (3899, 10361), (5579, 7241)]