18379230905

素因数分解:

$5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{4639}}^1$

素因数の和:4918

約数の個数: 48

約数和(自身を含む): 26075612160

約数和(自身を除く): 7696381255

約数列:

[1, 5, 7, 35, 49, 103, 157, 245, 515, 721, 785, 1099, 3605, 4639, 5047, 5495, 7693, 16171, 23195, 25235, 32473, 38465, 80855, 113197, 162365, 227311, 477817, 565985, 728323, 792379, 1136555, 2389085, 3344719, 3641615, 3961895, 5098261, 16723595, 23413033, 25491305, 35687827, 75017269, 117065165, 178439135, 375086345, 525120883, 2625604415, 3675846181, 18379230905]

約数ペア:

[(1, 18379230905), (5, 3675846181), (7, 2625604415), (35, 525120883), (49, 375086345), (103, 178439135), (157, 117065165), (245, 75017269), (515, 35687827), (721, 25491305), (785, 23413033), (1099, 16723595), (3605, 5098261), (4639, 3961895), (5047, 3641615), (5495, 3344719), (7693, 2389085), (16171, 1136555), (23195, 792379), (25235, 728323), (32473, 565985), (38465, 477817), (80855, 227311), (113197, 162365)]