71123998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{32009}}^1$

素因数の和:32123

約数の個数: 16

約数和(自身を含む): 117540720

約数和(自身を除く): 46416722

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 32009, 64018, 352099, 704198, 3232909, 6465818, 35561999, 71123998]

約数ペア:

[(1, 71123998), (2, 35561999), (11, 6465818), (22, 3232909), (101, 704198), (202, 352099), (1111, 64018), (2222, 32009)]