128847088

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{63409}}^1$

素因数の和:63544

約数の個数: 20

約数和(自身を含む): 251610880

約数和(自身を除く): 122763792

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 63409, 126818, 253636, 507272, 1014544, 8052943, 16105886, 32211772, 64423544, 128847088]

約数ペア:

[(1, 128847088), (2, 64423544), (4, 32211772), (8, 16105886), (16, 8052943), (127, 1014544), (254, 507272), (508, 253636), (1016, 126818), (2032, 63409)]