172231345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{240883}}^1$

素因数の和:240912

約数の個数: 16

約数和(自身を含む): 242811072

約数和(自身を除く): 70579727

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 240883, 1204415, 2649713, 3131479, 13248565, 15657395, 34446269, 172231345]

約数ペア:

[(1, 172231345), (5, 34446269), (11, 15657395), (13, 13248565), (55, 3131479), (65, 2649713), (143, 1204415), (715, 240883)]