201907181

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 250636032

約数和(自身を除く): 48728851

約数列:

[1, 7, 17, 101, 107, 119, 157, 707, 749, 1099, 1717, 1819, 2669, 10807, 12019, 12733, 15857, 16799, 18683, 75649, 110999, 117593, 183719, 269569, 285583, 1286033, 1696699, 1886983, 1999081, 11876893, 28843883, 201907181]

約数ペア:

[(1, 201907181), (7, 28843883), (17, 11876893), (101, 1999081), (107, 1886983), (119, 1696699), (157, 1286033), (707, 285583), (749, 269569), (1099, 183719), (1717, 117593), (1819, 110999), (2669, 75649), (10807, 18683), (12019, 16799), (12733, 15857)]