17961993973

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{25447}}^1$

素因数の和:25657

約数の個数: 32

約数和(自身を含む): 22866554880

約数和(自身を除く): 4904560907

約数列:

[1, 7, 11, 77, 89, 103, 623, 721, 979, 1133, 6853, 7931, 9167, 25447, 64169, 100837, 178129, 279917, 705859, 1959419, 2264783, 2621041, 15853481, 18347287, 24912613, 28831451, 174388291, 201820157, 233272649, 1632908543, 2565999139, 17961993973]

約数ペア:

[(1, 17961993973), (7, 2565999139), (11, 1632908543), (77, 233272649), (89, 201820157), (103, 174388291), (623, 28831451), (721, 24912613), (979, 18347287), (1133, 15853481), (6853, 2621041), (7931, 2264783), (9167, 1959419), (25447, 705859), (64169, 279917), (100837, 178129)]