31380895

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4057}}^1$

素因数の和:4099

約数の個数: 32

約数和(自身を含む): 49085568

約数和(自身を除く): 17704673

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 4057, 7735, 20285, 28399, 52741, 68969, 141995, 263705, 344845, 369187, 482783, 896597, 1845935, 2413915, 4482985, 6276179, 31380895]

約数ペア:

[(1, 31380895), (5, 6276179), (7, 4482985), (13, 2413915), (17, 1845935), (35, 896597), (65, 482783), (85, 369187), (91, 344845), (119, 263705), (221, 141995), (455, 68969), (595, 52741), (1105, 28399), (1547, 20285), (4057, 7735)]