8990401

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2939}}^1$

素因数の和:2988

約数の個数: 16

約数和(自身を含む): 11289600

約数和(自身を除く): 2299199

約数列:

[1, 7, 19, 23, 133, 161, 437, 2939, 3059, 20573, 55841, 67597, 390887, 473179, 1284343, 8990401]

約数ペア:

[(1, 8990401), (7, 1284343), (19, 473179), (23, 390887), (133, 67597), (161, 55841), (437, 20573), (2939, 3059)]