201721136

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{613}}^1$

素因数の和:909

約数の個数: 40

約数和(自身を含む): 396973104

約数和(自身を除く): 195251968

約数列:

[1, 2, 4, 8, 16, 131, 157, 262, 314, 524, 613, 628, 1048, 1226, 1256, 2096, 2452, 2512, 4904, 9808, 20567, 41134, 80303, 82268, 96241, 160606, 164536, 192482, 321212, 329072, 384964, 642424, 769928, 1284848, 1539856, 12607571, 25215142, 50430284, 100860568, 201721136]

約数ペア:

[(1, 201721136), (2, 100860568), (4, 50430284), (8, 25215142), (16, 12607571), (131, 1539856), (157, 1284848), (262, 769928), (314, 642424), (524, 384964), (613, 329072), (628, 321212), (1048, 192482), (1226, 164536), (1256, 160606), (2096, 96241), (2452, 82268), (2512, 80303), (4904, 41134), (9808, 20567)]