9900308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1009}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 19004160

約数和(自身を除く): 9103852

約数列:

[1, 2, 4, 11, 22, 44, 223, 446, 892, 1009, 2018, 2453, 4036, 4906, 9812, 11099, 22198, 44396, 225007, 450014, 900028, 2475077, 4950154, 9900308]

約数ペア:

[(1, 9900308), (2, 4950154), (4, 2475077), (11, 900028), (22, 450014), (44, 225007), (223, 44396), (446, 22198), (892, 11099), (1009, 9812), (2018, 4906), (2453, 4036)]