78020495

素因数分解:

$5^1\times 7^4\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:197

約数の個数: 40

約数和(自身を含む): 111995184

約数和(自身を除く): 33974689

約数列:

[1, 5, 7, 35, 49, 67, 97, 245, 335, 343, 469, 485, 679, 1715, 2345, 2401, 3283, 3395, 4753, 6499, 12005, 16415, 22981, 23765, 32495, 33271, 45493, 114905, 160867, 166355, 227465, 232897, 318451, 804335, 1164485, 1592255, 2229157, 11145785, 15604099, 78020495]

約数ペア:

[(1, 78020495), (5, 15604099), (7, 11145785), (35, 2229157), (49, 1592255), (67, 1164485), (97, 804335), (245, 318451), (335, 232897), (343, 227465), (469, 166355), (485, 160867), (679, 114905), (1715, 45493), (2345, 33271), (2401, 32495), (3283, 23765), (3395, 22981), (4753, 16415), (6499, 12005)]