77777872

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:547

約数の個数: 40

約数和(自身を含む): 153552672

約数和(自身を除く): 75774800

約数列:

[1, 2, 4, 8, 16, 107, 181, 214, 251, 362, 428, 502, 724, 856, 1004, 1448, 1712, 2008, 2896, 4016, 19367, 26857, 38734, 45431, 53714, 77468, 90862, 107428, 154936, 181724, 214856, 309872, 363448, 429712, 726896, 4861117, 9722234, 19444468, 38888936, 77777872]

約数ペア:

[(1, 77777872), (2, 38888936), (4, 19444468), (8, 9722234), (16, 4861117), (107, 726896), (181, 429712), (214, 363448), (251, 309872), (362, 214856), (428, 181724), (502, 154936), (724, 107428), (856, 90862), (1004, 77468), (1448, 53714), (1712, 45431), (2008, 38734), (2896, 26857), (4016, 19367)]