1680491021

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{390721}}^1$

素因数の和:390772

約数の個数: 16

約数和(自身を含む): 2025502848

約数和(自身を除く): 345011827

約数列:

[1, 11, 17, 23, 187, 253, 391, 4301, 390721, 4297931, 6642257, 8986583, 73064827, 98852413, 152771911, 1680491021]

約数ペア:

[(1, 1680491021), (11, 152771911), (17, 98852413), (23, 73064827), (187, 8986583), (253, 6642257), (391, 4297931), (4301, 390721)]