128602279

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 148711920

約数和(自身を除く): 20109641

約数列:

[1, 13, 19, 67, 247, 361, 409, 871, 1273, 4693, 5317, 7771, 16549, 24187, 27403, 101023, 147649, 314431, 356239, 520657, 1919437, 6768541, 9892483, 128602279]

約数ペア:

[(1, 128602279), (13, 9892483), (19, 6768541), (67, 1919437), (247, 520657), (361, 356239), (409, 314431), (871, 147649), (1273, 101023), (4693, 27403), (5317, 24187), (7771, 16549)]