68637245

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 90668160

約数和(自身を除く): 22030915

約数列:

[1, 5, 17, 43, 85, 89, 211, 215, 445, 731, 1055, 1513, 3587, 3655, 3827, 7565, 9073, 17935, 18779, 19135, 45365, 65059, 93895, 154241, 319243, 325295, 771205, 807497, 1596215, 4037485, 13727449, 68637245]

約数ペア:

[(1, 68637245), (5, 13727449), (17, 4037485), (43, 1596215), (85, 807497), (89, 771205), (211, 325295), (215, 319243), (445, 154241), (731, 93895), (1055, 65059), (1513, 45365), (3587, 19135), (3655, 18779), (3827, 17935), (7565, 9073)]