257339969131

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{74569681}}^1$

素因数の和:74569734

約数の個数: 16

約数和(自身を含む): 322141026240

約数和(自身を除く): 64801057109

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 74569681, 521987767, 1267684577, 2162520749, 8873792039, 15137645243, 36762852733, 257339969131]

約数ペア:

[(1, 257339969131), (7, 36762852733), (17, 15137645243), (29, 8873792039), (119, 2162520749), (203, 1267684577), (493, 521987767), (3451, 74569681)]