2838745

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 4451328

約数和(自身を除く): 1612583

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 367, 455, 595, 1105, 1547, 1835, 2569, 4771, 6239, 7735, 12845, 23855, 31195, 33397, 43673, 81107, 166985, 218365, 405535, 567749, 2838745]

約数ペア:

[(1, 2838745), (5, 567749), (7, 405535), (13, 218365), (17, 166985), (35, 81107), (65, 43673), (85, 33397), (91, 31195), (119, 23855), (221, 12845), (367, 7735), (455, 6239), (595, 4771), (1105, 2569), (1547, 1835)]