81187874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1259}}^1\times {\mathrm{1697}}^1$

素因数の和:2977

約数の個数: 16

約数和(自身を含む): 128368800

約数和(自身を除く): 47180926

約数列:

[1, 2, 19, 38, 1259, 1697, 2518, 3394, 23921, 32243, 47842, 64486, 2136523, 4273046, 40593937, 81187874]

約数ペア:

[(1, 81187874), (2, 40593937), (19, 4273046), (38, 2136523), (1259, 64486), (1697, 47842), (2518, 32243), (3394, 23921)]