289957987

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2423}}^1$

素因数の和:2511

約数の個数: 24

約数和(自身を含む): 340445952

約数和(自身を除く): 50487965

約数列:

[1, 11, 23, 43, 121, 253, 473, 989, 2423, 2783, 5203, 10879, 26653, 55729, 104189, 119669, 293183, 613019, 1146079, 2396347, 6743209, 12606869, 26359817, 289957987]

約数ペア:

[(1, 289957987), (11, 26359817), (23, 12606869), (43, 6743209), (121, 2396347), (253, 1146079), (473, 613019), (989, 293183), (2423, 119669), (2783, 104189), (5203, 55729), (10879, 26653)]