243358976

素因数分解:

$2^8\times 7^1\times {\mathrm{139}}^1\times {\mathrm{977}}^1$

素因数の和:1139

約数の個数: 72

約数和(自身を含む): 559728960

約数和(自身を除く): 316369984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 224, 256, 278, 448, 556, 896, 973, 977, 1112, 1792, 1946, 1954, 2224, 3892, 3908, 4448, 6839, 7784, 7816, 8896, 13678, 15568, 15632, 17792, 27356, 31136, 31264, 35584, 54712, 62272, 62528, 109424, 124544, 125056, 135803, 218848, 249088, 250112, 271606, 437696, 543212, 875392, 950621, 1086424, 1750784, 1901242, 2172848, 3802484, 4345696, 7604968, 8691392, 15209936, 17382784, 30419872, 34765568, 60839744, 121679488, 243358976]

約数ペア:

[(1, 243358976), (2, 121679488), (4, 60839744), (7, 34765568), (8, 30419872), (14, 17382784), (16, 15209936), (28, 8691392), (32, 7604968), (56, 4345696), (64, 3802484), (112, 2172848), (128, 1901242), (139, 1750784), (224, 1086424), (256, 950621), (278, 875392), (448, 543212), (556, 437696), (896, 271606), (973, 250112), (977, 249088), (1112, 218848), (1792, 135803), (1946, 125056), (1954, 124544), (2224, 109424), (3892, 62528), (3908, 62272), (4448, 54712), (6839, 35584), (7784, 31264), (7816, 31136), (8896, 27356), (13678, 17792), (15568, 15632)]