199980101

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2777}}^1$

素因数の和:2932

約数の個数: 16

約数和(自身を含む): 217617408

約数和(自身を除く): 17637307

約数列:

[1, 23, 31, 101, 713, 2323, 2777, 3131, 63871, 72013, 86087, 280477, 1980001, 6450971, 8694787, 199980101]

約数ペア:

[(1, 199980101), (23, 8694787), (31, 6450971), (101, 1980001), (713, 280477), (2323, 86087), (2777, 72013), (3131, 63871)]