449518321

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{3517}}^1$

素因数の和:3605

約数の個数: 24

約数和(自身を含む): 558939840

約数和(自身を除く): 109421519

約数列:

[1, 7, 19, 31, 133, 217, 589, 961, 3517, 4123, 6727, 18259, 24619, 66823, 109027, 127813, 467761, 763189, 2071513, 3379837, 14500591, 23658859, 64216903, 449518321]

約数ペア:

[(1, 449518321), (7, 64216903), (19, 23658859), (31, 14500591), (133, 3379837), (217, 2071513), (589, 763189), (961, 467761), (3517, 127813), (4123, 109027), (6727, 66823), (18259, 24619)]