20172321311

素因数分解:

${\mathrm{157}}^1\times {\mathrm{317}}^1\times {\mathrm{409}}^1\times {\mathrm{991}}^1$

素因数の和:1874

約数の個数: 16

約数和(自身を含む): 20435239680

約数和(自身を除く): 262918369

約数列:

[1, 157, 317, 409, 991, 49769, 64213, 129653, 155587, 314147, 405319, 20355521, 49321079, 63635083, 128486123, 20172321311]

約数ペア:

[(1, 20172321311), (157, 128486123), (317, 63635083), (409, 49321079), (991, 20355521), (49769, 405319), (64213, 314147), (129653, 155587)]