40478438

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20219}}^1$

素因数の和:20252

約数の個数: 32

約数和(自身を含む): 81527040

約数和(自身を除く): 41048602

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 20219, 40438, 141533, 222409, 262847, 283066, 444818, 525694, 1556863, 1839929, 2891317, 3113726, 3679858, 5782634, 20239219, 40478438]

約数ペア:

[(1, 40478438), (2, 20239219), (7, 5782634), (11, 3679858), (13, 3113726), (14, 2891317), (22, 1839929), (26, 1556863), (77, 525694), (91, 444818), (143, 283066), (154, 262847), (182, 222409), (286, 141533), (1001, 40438), (2002, 20219)]