98989999

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{991}}^1$

素因数の和:1158

約数の個数: 16

約数和(自身を含む): 106850304

約数和(自身を除く): 7860305

約数列:

[1, 23, 43, 101, 989, 991, 2323, 4343, 22793, 42613, 99889, 100091, 980099, 2302093, 4303913, 98989999]

約数ペア:

[(1, 98989999), (23, 4303913), (43, 2302093), (101, 980099), (989, 100091), (991, 99889), (2323, 42613), (4343, 22793)]