201993845

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{467}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 266198400

約数和(自身を除く): 64204555

約数列:

[1, 5, 19, 29, 95, 145, 157, 467, 551, 785, 2335, 2755, 2983, 4553, 8873, 13543, 14915, 22765, 44365, 67715, 73319, 86507, 257317, 366595, 432535, 1286585, 1393061, 2126251, 6965305, 10631255, 40398769, 201993845]

約数ペア:

[(1, 201993845), (5, 40398769), (19, 10631255), (29, 6965305), (95, 2126251), (145, 1393061), (157, 1286585), (467, 432535), (551, 366595), (785, 257317), (2335, 86507), (2755, 73319), (2983, 67715), (4553, 44365), (8873, 22765), (13543, 14915)]