12172085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1609}}^1$

素因数の和:1720

約数の個数: 16

約数和(自身を含む): 15649200

約数和(自身を除く): 3477115

約数列:

[1, 5, 17, 85, 89, 445, 1513, 1609, 7565, 8045, 27353, 136765, 143201, 716005, 2434417, 12172085]

約数ペア:

[(1, 12172085), (5, 2434417), (17, 716005), (85, 143201), (89, 136765), (445, 27353), (1513, 8045), (1609, 7565)]