199626515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{613}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 271613952

約数和(自身を除く): 71987437

約数列:

[1, 5, 11, 31, 55, 155, 191, 341, 613, 955, 1705, 2101, 3065, 5921, 6743, 10505, 19003, 29605, 33715, 65131, 95015, 117083, 209033, 325655, 585415, 1045165, 1287913, 3629573, 6439565, 18147865, 39925303, 199626515]

約数ペア:

[(1, 199626515), (5, 39925303), (11, 18147865), (31, 6439565), (55, 3629573), (155, 1287913), (191, 1045165), (341, 585415), (613, 325655), (955, 209033), (1705, 117083), (2101, 95015), (3065, 65131), (5921, 33715), (6743, 29605), (10505, 19003)]