1212206255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{209543}}^1$

素因数の和:209650

約数の個数: 16

約数和(自身を含む): 1584152640

約数和(自身を除く): 371946385

約数列:

[1, 5, 13, 65, 89, 445, 1157, 5785, 209543, 1047715, 2724059, 13620295, 18649327, 93246635, 242441251, 1212206255]

約数ペア:

[(1, 1212206255), (5, 242441251), (13, 93246635), (65, 18649327), (89, 13620295), (445, 2724059), (1157, 1047715), (5785, 209543)]