206972129

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3217}}^1$

素因数の和:3345

約数の個数: 24

約数和(自身を含む): 261932328

約数和(自身を除く): 54960199

約数列:

[1, 7, 13, 49, 91, 101, 637, 707, 1313, 3217, 4949, 9191, 22519, 41821, 64337, 157633, 292747, 324917, 2049229, 2274419, 4223921, 15920933, 29567447, 206972129]

約数ペア:

[(1, 206972129), (7, 29567447), (13, 15920933), (49, 4223921), (91, 2274419), (101, 2049229), (637, 324917), (707, 292747), (1313, 157633), (3217, 64337), (4949, 41821), (9191, 22519)]