28316519

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 37601280

約数和(自身を除く): 9284761

約数列:

[1, 7, 11, 23, 59, 77, 161, 253, 271, 413, 649, 1357, 1771, 1897, 2981, 4543, 6233, 9499, 14927, 15989, 20867, 43631, 68563, 104489, 111923, 175879, 367747, 479941, 1231153, 2574229, 4045217, 28316519]

約数ペア:

[(1, 28316519), (7, 4045217), (11, 2574229), (23, 1231153), (59, 479941), (77, 367747), (161, 175879), (253, 111923), (271, 104489), (413, 68563), (649, 43631), (1357, 20867), (1771, 15989), (1897, 14927), (2981, 9499), (4543, 6233)]