128468285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{2357}}^1$

素因数の和:3364

約数の個数: 16

約数和(自身を含む): 168417792

約数和(自身を除く): 39949507

約数列:

[1, 5, 11, 55, 991, 2357, 4955, 10901, 11785, 25927, 54505, 129635, 2335787, 11678935, 25693657, 128468285]

約数ペア:

[(1, 128468285), (5, 25693657), (11, 11678935), (55, 2335787), (991, 129635), (2357, 54505), (4955, 25927), (10901, 11785)]