2171650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{257}}^1$

素因数の和:295

約数の個数: 36

約数和(自身を含む): 4390902

約数和(自身を除く): 2219252

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 257, 325, 338, 514, 650, 845, 1285, 1690, 2570, 3341, 4225, 6425, 6682, 8450, 12850, 16705, 33410, 43433, 83525, 86866, 167050, 217165, 434330, 1085825, 2171650]

約数ペア:

[(1, 2171650), (2, 1085825), (5, 434330), (10, 217165), (13, 167050), (25, 86866), (26, 83525), (50, 43433), (65, 33410), (130, 16705), (169, 12850), (257, 8450), (325, 6682), (338, 6425), (514, 4225), (650, 3341), (845, 2570), (1285, 1690)]