128461489

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 150888192

約数和(自身を除く): 22426703

約数列:

[1, 13, 19, 31, 247, 361, 403, 589, 883, 4693, 7657, 11191, 11479, 16777, 27373, 145483, 218101, 318763, 355849, 520087, 4143919, 6761131, 9881653, 128461489]

約数ペア:

[(1, 128461489), (13, 9881653), (19, 6761131), (31, 4143919), (247, 520087), (361, 355849), (403, 318763), (589, 218101), (883, 145483), (4693, 27373), (7657, 16777), (11191, 11479)]