221004848

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{577}}^1\times {\mathrm{647}}^1$

素因数の和:1269

約数の個数: 40

約数和(自身を含む): 441212832

約数和(自身を除く): 220207984

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 577, 592, 647, 1154, 1294, 2308, 2588, 4616, 5176, 9232, 10352, 21349, 23939, 42698, 47878, 85396, 95756, 170792, 191512, 341584, 373319, 383024, 746638, 1493276, 2986552, 5973104, 13812803, 27625606, 55251212, 110502424, 221004848]

約数ペア:

[(1, 221004848), (2, 110502424), (4, 55251212), (8, 27625606), (16, 13812803), (37, 5973104), (74, 2986552), (148, 1493276), (296, 746638), (577, 383024), (592, 373319), (647, 341584), (1154, 191512), (1294, 170792), (2308, 95756), (2588, 85396), (4616, 47878), (5176, 42698), (9232, 23939), (10352, 21349)]