9090202

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4091}}^1$

素因数の和:4205

約数の個数: 16

約数和(自身を含む): 15025824

約数和(自身を除く): 5935622

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 4091, 8182, 45001, 90002, 413191, 826382, 4545101, 9090202]

約数ペア:

[(1, 9090202), (2, 4545101), (11, 826382), (22, 413191), (101, 90002), (202, 45001), (1111, 8182), (2222, 4091)]