155372008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{5059}}^1$

素因数の和:5425

約数の個数: 32

約数和(自身を含む): 318780000

約数和(自身を除く): 163407992

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 349, 698, 1396, 2792, 3839, 5059, 7678, 10118, 15356, 20236, 30712, 40472, 55649, 111298, 222596, 445192, 1765591, 3531182, 7062364, 14124728, 19421501, 38843002, 77686004, 155372008]

約数ペア:

[(1, 155372008), (2, 77686004), (4, 38843002), (8, 19421501), (11, 14124728), (22, 7062364), (44, 3531182), (88, 1765591), (349, 445192), (698, 222596), (1396, 111298), (2792, 55649), (3839, 40472), (5059, 30712), (7678, 20236), (10118, 15356)]