1291204330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{16363}}^1$

素因数の和:16990

約数の個数: 32

約数和(自身を含む): 2507226624

約数和(自身を除く): 1216022294

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 607, 1214, 3035, 6070, 7891, 15782, 16363, 32726, 39455, 78910, 81815, 163630, 212719, 425438, 1063595, 2127190, 9932341, 19864682, 49661705, 99323410, 129120433, 258240866, 645602165, 1291204330]

約数ペア:

[(1, 1291204330), (2, 645602165), (5, 258240866), (10, 129120433), (13, 99323410), (26, 49661705), (65, 19864682), (130, 9932341), (607, 2127190), (1214, 1063595), (3035, 425438), (6070, 212719), (7891, 163630), (15782, 81815), (16363, 78910), (32726, 39455)]