171771860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{660661}}^1$

素因数の和:660683

約数の個数: 24

約数和(自身を含む): 388469256

約数和(自身を除く): 216697396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 660661, 1321322, 2642644, 3303305, 6606610, 8588593, 13213220, 17177186, 34354372, 42942965, 85885930, 171771860]

約数ペア:

[(1, 171771860), (2, 85885930), (4, 42942965), (5, 34354372), (10, 17177186), (13, 13213220), (20, 8588593), (26, 6606610), (52, 3303305), (65, 2642644), (130, 1321322), (260, 660661)]