259831585

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{7151}}^1$

素因数の和:7225

約数の個数: 24

約数和(自身を含む): 345527424

約数和(自身を除く): 85695839

約数列:

[1, 5, 13, 43, 65, 169, 215, 559, 845, 2795, 7151, 7267, 35755, 36335, 92963, 307493, 464815, 1208519, 1537465, 3997409, 6042595, 19987045, 51966317, 259831585]

約数ペア:

[(1, 259831585), (5, 51966317), (13, 19987045), (43, 6042595), (65, 3997409), (169, 1537465), (215, 1208519), (559, 464815), (845, 307493), (2795, 92963), (7151, 36335), (7267, 35755)]