201972953

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{1013}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 254080008

約数和(自身を除く): 52107055

約数列:

[1, 7, 13, 49, 91, 313, 637, 1013, 2191, 4069, 7091, 13169, 15337, 28483, 49637, 92183, 199381, 317069, 645281, 2219483, 4121897, 15536381, 28853279, 201972953]

約数ペア:

[(1, 201972953), (7, 28853279), (13, 15536381), (49, 4121897), (91, 2219483), (313, 645281), (637, 317069), (1013, 199381), (2191, 92183), (4069, 49637), (7091, 28483), (13169, 15337)]