77778916

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{19661}}^1$

素因数の和:19731

約数の個数: 24

約数和(自身を含む): 145341504

約数和(自身を除く): 67562588

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 19661, 39322, 78644, 452203, 845423, 904406, 1690846, 1808812, 3381692, 19444729, 38889458, 77778916]

約数ペア:

[(1, 77778916), (2, 38889458), (4, 19444729), (23, 3381692), (43, 1808812), (46, 1690846), (86, 904406), (92, 845423), (172, 452203), (989, 78644), (1978, 39322), (3956, 19661)]