66720269

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{16349}}^1$

素因数の和:16420

約数の個数: 16

約数和(自身を含む): 84758400

約数和(自身を除く): 18038131

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 16349, 114443, 179839, 866497, 1258873, 6065479, 9531467, 66720269]

約数ペア:

[(1, 66720269), (7, 9531467), (11, 6065479), (53, 1258873), (77, 866497), (371, 179839), (583, 114443), (4081, 16349)]