22280557

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{557}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 25592112

約数和(自身を除く): 3311555

約数列:

[1, 13, 17, 181, 221, 557, 2353, 3077, 7241, 9469, 40001, 100817, 123097, 1310621, 1713889, 22280557]

約数ペア:

[(1, 22280557), (13, 1713889), (17, 1310621), (181, 123097), (221, 100817), (557, 40001), (2353, 9469), (3077, 7241)]