66689590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8539}}^1$

素因数の和:8628

約数の個数: 32

約数和(自身を含む): 132814080

約数和(自身を除く): 66124490

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 8539, 17078, 42695, 85390, 93929, 187858, 469645, 606269, 939290, 1212538, 3031345, 6062690, 6668959, 13337918, 33344795, 66689590]

約数ペア:

[(1, 66689590), (2, 33344795), (5, 13337918), (10, 6668959), (11, 6062690), (22, 3031345), (55, 1212538), (71, 939290), (110, 606269), (142, 469645), (355, 187858), (710, 93929), (781, 85390), (1562, 42695), (3905, 17078), (7810, 8539)]