127531778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{25537}}^1$

素因数の和:25777

約数の個数: 16

約数和(自身を含む): 209615904

約数和(自身を除く): 82084126

約数列:

[1, 2, 11, 22, 227, 454, 2497, 4994, 25537, 51074, 280907, 561814, 5796899, 11593798, 63765889, 127531778]

約数ペア:

[(1, 127531778), (2, 63765889), (11, 11593798), (22, 5796899), (227, 561814), (454, 280907), (2497, 51074), (4994, 25537)]