640922799

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{11821}}^1$

素因数の和:11919

約数の個数: 32

約数和(自身を含む): 980563968

約数和(自身を除く): 339641169

約数列:

[1, 3, 11, 31, 33, 53, 93, 159, 341, 583, 1023, 1643, 1749, 4929, 11821, 18073, 35463, 54219, 130031, 366451, 390093, 626513, 1099353, 1879539, 4030961, 6891643, 12092883, 19421903, 20674929, 58265709, 213640933, 640922799]

約数ペア:

[(1, 640922799), (3, 213640933), (11, 58265709), (31, 20674929), (33, 19421903), (53, 12092883), (93, 6891643), (159, 4030961), (341, 1879539), (583, 1099353), (1023, 626513), (1643, 390093), (1749, 366451), (4929, 130031), (11821, 54219), (18073, 35463)]