65520988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1260019}}^1$

素因数の和:1260036

約数の個数: 12

約数和(自身を含む): 123481960

約数和(自身を除く): 57960972

約数列:

[1, 2, 4, 13, 26, 52, 1260019, 2520038, 5040076, 16380247, 32760494, 65520988]

約数ペア:

[(1, 65520988), (2, 32760494), (4, 16380247), (13, 5040076), (26, 2520038), (52, 1260019)]