313640905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{1451}}^1\times {\mathrm{2543}}^1$

素因数の和:4016

約数の個数: 16

約数和(自身を含む): 398939904

約数和(自身を除く): 85298999

約数列:

[1, 5, 17, 85, 1451, 2543, 7255, 12715, 24667, 43231, 123335, 216155, 3689893, 18449465, 62728181, 313640905]

約数ペア:

[(1, 313640905), (5, 62728181), (17, 18449465), (85, 3689893), (1451, 216155), (2543, 123335), (7255, 43231), (12715, 24667)]