257702896

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{12101}}^1$

素因数の和:12142

約数の個数: 40

約数和(自身を含む): 549237168

約数和(自身を除く): 291534272

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1331, 1936, 2662, 5324, 10648, 12101, 21296, 24202, 48404, 96808, 133111, 193616, 266222, 532444, 1064888, 1464221, 2129776, 2928442, 5856884, 11713768, 16106431, 23427536, 32212862, 64425724, 128851448, 257702896]

約数ペア:

[(1, 257702896), (2, 128851448), (4, 64425724), (8, 32212862), (11, 23427536), (16, 16106431), (22, 11713768), (44, 5856884), (88, 2928442), (121, 2129776), (176, 1464221), (242, 1064888), (484, 532444), (968, 266222), (1331, 193616), (1936, 133111), (2662, 96808), (5324, 48404), (10648, 24202), (12101, 21296)]