2157904174

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{1091}}^1$

素因数の和:1456

約数の個数: 32

約数和(自身を含む): 3361438080

約数和(自身を除く): 1203533906

約数列:

[1, 2, 43, 86, 109, 211, 218, 422, 1091, 2182, 4687, 9073, 9374, 18146, 22999, 45998, 46913, 93826, 118919, 230201, 237838, 460402, 988957, 1977914, 5113517, 9898643, 10227034, 19797286, 25091909, 50183818, 1078952087, 2157904174]

約数ペア:

[(1, 2157904174), (2, 1078952087), (43, 50183818), (86, 25091909), (109, 19797286), (211, 10227034), (218, 9898643), (422, 5113517), (1091, 1977914), (2182, 988957), (4687, 460402), (9073, 237838), (9374, 230201), (18146, 118919), (22999, 93826), (45998, 46913)]