254377263

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 434626560

約数和(自身を除く): 180249297

約数列:

[1, 3, 7, 19, 21, 23, 53, 57, 69, 133, 159, 161, 371, 399, 437, 483, 523, 1007, 1113, 1219, 1311, 1569, 3021, 3059, 3657, 3661, 7049, 8533, 9177, 9937, 10983, 12029, 21147, 23161, 25599, 27719, 29811, 36087, 69483, 69559, 83157, 84203, 162127, 194033, 208677, 228551, 252609, 486381, 526661, 582099, 637537, 685653, 1579983, 1599857, 1912611, 3686627, 4462759, 4799571, 11059881, 12113203, 13388277, 36339609, 84792421, 254377263]

約数ペア:

[(1, 254377263), (3, 84792421), (7, 36339609), (19, 13388277), (21, 12113203), (23, 11059881), (53, 4799571), (57, 4462759), (69, 3686627), (133, 1912611), (159, 1599857), (161, 1579983), (371, 685653), (399, 637537), (437, 582099), (483, 526661), (523, 486381), (1007, 252609), (1113, 228551), (1219, 208677), (1311, 194033), (1569, 162127), (3021, 84203), (3059, 83157), (3657, 69559), (3661, 69483), (7049, 36087), (8533, 29811), (9177, 27719), (9937, 25599), (10983, 23161), (12029, 21147)]