1999606721

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{2903}}^1\times {\mathrm{5179}}^1$

素因数の和:8108

約数の個数: 16

約数和(自身を含む): 2406835200

約数和(自身を除く): 407228479

約数列:

[1, 7, 19, 133, 2903, 5179, 20321, 36253, 55157, 98401, 386099, 688807, 15034637, 105242459, 285658103, 1999606721]

約数ペア:

[(1, 1999606721), (7, 285658103), (19, 105242459), (133, 15034637), (2903, 688807), (5179, 386099), (20321, 98401), (36253, 55157)]