30989959

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 42223104

約数和(自身を除く): 11233145

約数列:

[1, 7, 11, 13, 77, 83, 91, 143, 373, 581, 913, 1001, 1079, 2611, 4103, 4849, 6391, 7553, 11869, 28721, 30959, 33943, 53339, 83083, 216713, 340549, 373373, 402467, 2383843, 2817269, 4427137, 30989959]

約数ペア:

[(1, 30989959), (7, 4427137), (11, 2817269), (13, 2383843), (77, 402467), (83, 373373), (91, 340549), (143, 216713), (373, 83083), (581, 53339), (913, 33943), (1001, 30959), (1079, 28721), (2611, 11869), (4103, 7553), (4849, 6391)]