80929942996

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{561343}}^1$

素因数の和:561644

約数の個数: 48

約数和(自身を含む): 171007836160

約数和(自身を除く): 90077893164

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 271, 532, 542, 1084, 1897, 3794, 5149, 7588, 10298, 20596, 36043, 72086, 144172, 561343, 1122686, 2245372, 3929401, 7858802, 10665517, 15717604, 21331034, 42662068, 74658619, 149317238, 152123953, 298634476, 304247906, 608495812, 1064867671, 2129735342, 2890355107, 4259470684, 5780710214, 11561420428, 20232485749, 40464971498, 80929942996]

約数ペア:

[(1, 80929942996), (2, 40464971498), (4, 20232485749), (7, 11561420428), (14, 5780710214), (19, 4259470684), (28, 2890355107), (38, 2129735342), (76, 1064867671), (133, 608495812), (266, 304247906), (271, 298634476), (532, 152123953), (542, 149317238), (1084, 74658619), (1897, 42662068), (3794, 21331034), (5149, 15717604), (7588, 10665517), (10298, 7858802), (20596, 3929401), (36043, 2245372), (72086, 1122686), (144172, 561343)]