2047502015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{887}}^1\times {\mathrm{2089}}^1$

素因数の和:3011

約数の個数: 32

約数和(自身を含む): 2806151040

約数和(自身を除く): 758649025

約数列:

[1, 5, 13, 17, 65, 85, 221, 887, 1105, 2089, 4435, 10445, 11531, 15079, 27157, 35513, 57655, 75395, 135785, 177565, 196027, 461669, 980135, 1852943, 2308345, 9264715, 24088259, 31500031, 120441295, 157500155, 409500403, 2047502015]

約数ペア:

[(1, 2047502015), (5, 409500403), (13, 157500155), (17, 120441295), (65, 31500031), (85, 24088259), (221, 9264715), (887, 2308345), (1105, 1852943), (2089, 980135), (4435, 461669), (10445, 196027), (11531, 177565), (15079, 135785), (27157, 75395), (35513, 57655)]