209329315

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{191}}^1\times {\mathrm{1297}}^1$

素因数の和:1519

約数の個数: 24

約数和(自身を含む): 273639168

約数和(自身を除く): 64309853

約数列:

[1, 5, 13, 65, 169, 191, 845, 955, 1297, 2483, 6485, 12415, 16861, 32279, 84305, 161395, 219193, 247727, 1095965, 1238635, 3220451, 16102255, 41865863, 209329315]

約数ペア:

[(1, 209329315), (5, 41865863), (13, 16102255), (65, 3220451), (169, 1238635), (191, 1095965), (845, 247727), (955, 219193), (1297, 161395), (2483, 84305), (6485, 32279), (12415, 16861)]