218251904

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4231}}^1$

素因数の和:4289

約数の個数: 64

約数和(自身を含む): 483463680

約数和(自身を除く): 265211776

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3224, 3968, 4231, 6448, 8462, 12896, 16924, 25792, 33848, 51584, 55003, 67696, 110006, 131161, 135392, 220012, 262322, 270784, 440024, 524644, 541568, 880048, 1049288, 1705093, 1760096, 2098576, 3410186, 3520192, 4197152, 6820372, 7040384, 8394304, 13640744, 16788608, 27281488, 54562976, 109125952, 218251904]

約数ペア:

[(1, 218251904), (2, 109125952), (4, 54562976), (8, 27281488), (13, 16788608), (16, 13640744), (26, 8394304), (31, 7040384), (32, 6820372), (52, 4197152), (62, 3520192), (64, 3410186), (104, 2098576), (124, 1760096), (128, 1705093), (208, 1049288), (248, 880048), (403, 541568), (416, 524644), (496, 440024), (806, 270784), (832, 262322), (992, 220012), (1612, 135392), (1664, 131161), (1984, 110006), (3224, 67696), (3968, 55003), (4231, 51584), (6448, 33848), (8462, 25792), (12896, 16924)]