28905998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{13009}}^1$

素因数の和:13123

約数の個数: 16

約数和(自身を含む): 47772720

約数和(自身を除く): 18866722

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 13009, 26018, 143099, 286198, 1313909, 2627818, 14452999, 28905998]

約数ペア:

[(1, 28905998), (2, 14452999), (11, 2627818), (22, 1313909), (101, 286198), (202, 143099), (1111, 26018), (2222, 13009)]