221517568

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 462565376

約数和(自身を除く): 241047808

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 103, 124, 128, 206, 248, 256, 271, 412, 496, 542, 824, 992, 1084, 1648, 1984, 2168, 3193, 3296, 3968, 4336, 6386, 6592, 7936, 8401, 8672, 12772, 13184, 16802, 17344, 25544, 26368, 27913, 33604, 34688, 51088, 55826, 67208, 69376, 102176, 111652, 134416, 204352, 223304, 268832, 408704, 446608, 537664, 817408, 865303, 893216, 1075328, 1730606, 1786432, 2150656, 3461212, 3572864, 6922424, 7145728, 13844848, 27689696, 55379392, 110758784, 221517568]

約数ペア:

[(1, 221517568), (2, 110758784), (4, 55379392), (8, 27689696), (16, 13844848), (31, 7145728), (32, 6922424), (62, 3572864), (64, 3461212), (103, 2150656), (124, 1786432), (128, 1730606), (206, 1075328), (248, 893216), (256, 865303), (271, 817408), (412, 537664), (496, 446608), (542, 408704), (824, 268832), (992, 223304), (1084, 204352), (1648, 134416), (1984, 111652), (2168, 102176), (3193, 69376), (3296, 67208), (3968, 55826), (4336, 51088), (6386, 34688), (6592, 33604), (7936, 27913), (8401, 26368), (8672, 25544), (12772, 17344), (13184, 16802)]