219610187

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{997}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 234633792

約数和(自身を除く): 15023605

約数列:

[1, 23, 61, 157, 997, 1403, 3611, 9577, 22931, 60817, 156529, 220271, 1398791, 3600167, 9548269, 219610187]

約数ペア:

[(1, 219610187), (23, 9548269), (61, 3600167), (157, 1398791), (997, 220271), (1403, 156529), (3611, 60817), (9577, 22931)]