221538816

素因数分解:

$2^9\times 3^2\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:522

約数の個数: 120

約数和(自身を含む): 646012224

約数和(自身を除く): 424473408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 131, 144, 192, 256, 262, 288, 367, 384, 393, 512, 524, 576, 734, 768, 786, 1048, 1101, 1152, 1179, 1468, 1536, 1572, 2096, 2202, 2304, 2358, 2936, 3144, 3303, 4192, 4404, 4608, 4716, 5872, 6288, 6606, 8384, 8808, 9432, 11744, 12576, 13212, 16768, 17616, 18864, 23488, 25152, 26424, 33536, 35232, 37728, 46976, 48077, 50304, 52848, 67072, 70464, 75456, 93952, 96154, 100608, 105696, 140928, 144231, 150912, 187904, 192308, 201216, 211392, 281856, 288462, 301824, 384616, 422784, 432693, 563712, 576924, 603648, 769232, 845568, 865386, 1153848, 1538464, 1691136, 1730772, 2307696, 3076928, 3461544, 4615392, 6153856, 6923088, 9230784, 12307712, 13846176, 18461568, 24615424, 27692352, 36923136, 55384704, 73846272, 110769408, 221538816]

約数ペア:

[(1, 221538816), (2, 110769408), (3, 73846272), (4, 55384704), (6, 36923136), (8, 27692352), (9, 24615424), (12, 18461568), (16, 13846176), (18, 12307712), (24, 9230784), (32, 6923088), (36, 6153856), (48, 4615392), (64, 3461544), (72, 3076928), (96, 2307696), (128, 1730772), (131, 1691136), (144, 1538464), (192, 1153848), (256, 865386), (262, 845568), (288, 769232), (367, 603648), (384, 576924), (393, 563712), (512, 432693), (524, 422784), (576, 384616), (734, 301824), (768, 288462), (786, 281856), (1048, 211392), (1101, 201216), (1152, 192308), (1179, 187904), (1468, 150912), (1536, 144231), (1572, 140928), (2096, 105696), (2202, 100608), (2304, 96154), (2358, 93952), (2936, 75456), (3144, 70464), (3303, 67072), (4192, 52848), (4404, 50304), (4608, 48077), (4716, 46976), (5872, 37728), (6288, 35232), (6606, 33536), (8384, 26424), (8808, 25152), (9432, 23488), (11744, 18864), (12576, 17616), (13212, 16768)]