990867695

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{140449}}^1$

素因数の和:140554

約数の個数: 16

約数和(自身を含む): 1274162400

約数和(自身を除く): 283294705

約数列:

[1, 5, 17, 83, 85, 415, 1411, 7055, 140449, 702245, 2387633, 11657267, 11938165, 58286335, 198173539, 990867695]

約数ペア:

[(1, 990867695), (5, 198173539), (17, 58286335), (83, 11938165), (85, 11657267), (415, 2387633), (1411, 702245), (7055, 140449)]