61881784

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{919}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 122544000

約数和(自身を除く): 60662216

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 443, 886, 919, 1772, 1838, 3544, 3676, 7352, 8417, 16834, 17461, 33668, 34922, 67336, 69844, 139688, 407117, 814234, 1628468, 3256936, 7735223, 15470446, 30940892, 61881784]

約数ペア:

[(1, 61881784), (2, 30940892), (4, 15470446), (8, 7735223), (19, 3256936), (38, 1628468), (76, 814234), (152, 407117), (443, 139688), (886, 69844), (919, 67336), (1772, 34922), (1838, 33668), (3544, 17461), (3676, 16834), (7352, 8417)]