78304247

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 96307200

約数和(自身を除く): 18002953

約数列:

[1, 7, 37, 43, 79, 89, 259, 301, 553, 623, 1591, 2923, 3293, 3397, 3827, 7031, 11137, 20461, 23051, 23779, 26789, 49217, 125689, 141599, 260147, 302333, 879823, 991193, 1821029, 2116331, 11186321, 78304247]

約数ペア:

[(1, 78304247), (7, 11186321), (37, 2116331), (43, 1821029), (79, 991193), (89, 879823), (259, 302333), (301, 260147), (553, 141599), (623, 125689), (1591, 49217), (2923, 26789), (3293, 23779), (3397, 23051), (3827, 20461), (7031, 11137)]