66755312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{320939}}^1$

素因数の和:320960

約数の個数: 20

約数和(自身を含む): 139287960

約数和(自身を除く): 72532648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 320939, 641878, 1283756, 2567512, 4172207, 5135024, 8344414, 16688828, 33377656, 66755312]

約数ペア:

[(1, 66755312), (2, 33377656), (4, 16688828), (8, 8344414), (13, 5135024), (16, 4172207), (26, 2567512), (52, 1283756), (104, 641878), (208, 320939)]