256531479

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{769}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 376104960

約数和(自身を除く): 119573481

約数列:

[1, 3, 17, 31, 51, 93, 211, 527, 633, 769, 1581, 2307, 3587, 6541, 10761, 13073, 19623, 23839, 39219, 71517, 111197, 162259, 333591, 405263, 486777, 1215789, 2758403, 5030029, 8275209, 15090087, 85510493, 256531479]

約数ペア:

[(1, 256531479), (3, 85510493), (17, 15090087), (31, 8275209), (51, 5030029), (93, 2758403), (211, 1215789), (527, 486777), (633, 405263), (769, 333591), (1581, 162259), (2307, 111197), (3587, 71517), (6541, 39219), (10761, 23839), (13073, 19623)]