81697272

素因数分解:

$2^3\times 3^1\times {\mathrm{277}}^1\times {\mathrm{12289}}^1$

素因数の和:12575

約数の個数: 32

約数和(自身を含む): 204997200

約数和(自身を除く): 123299928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 277, 554, 831, 1108, 1662, 2216, 3324, 6648, 12289, 24578, 36867, 49156, 73734, 98312, 147468, 294936, 3404053, 6808106, 10212159, 13616212, 20424318, 27232424, 40848636, 81697272]

約数ペア:

[(1, 81697272), (2, 40848636), (3, 27232424), (4, 20424318), (6, 13616212), (8, 10212159), (12, 6808106), (24, 3404053), (277, 294936), (554, 147468), (831, 98312), (1108, 73734), (1662, 49156), (2216, 36867), (3324, 24578), (6648, 12289)]