215511804

素因数分解:

$2^2\times 3^2\times {\mathrm{311}}^1\times {\mathrm{19249}}^1$

素因数の和:19570

約数の個数: 36

約数和(自身を含む): 546546000

約数和(自身を除く): 331034196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 311, 622, 933, 1244, 1866, 2799, 3732, 5598, 11196, 19249, 38498, 57747, 76996, 115494, 173241, 230988, 346482, 692964, 5986439, 11972878, 17959317, 23945756, 35918634, 53877951, 71837268, 107755902, 215511804]

約数ペア:

[(1, 215511804), (2, 107755902), (3, 71837268), (4, 53877951), (6, 35918634), (9, 23945756), (12, 17959317), (18, 11972878), (36, 5986439), (311, 692964), (622, 346482), (933, 230988), (1244, 173241), (1866, 115494), (2799, 76996), (3732, 57747), (5598, 38498), (11196, 19249)]