81798475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{17497}}^1$

素因数の和:17535

約数の個数: 24

約数和(自身を含む): 117166608

約数和(自身を除く): 35368133

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4675, 17497, 87485, 192467, 297449, 437425, 962335, 1487245, 3271939, 4811675, 7436225, 16359695, 81798475]

約数ペア:

[(1, 81798475), (5, 16359695), (11, 7436225), (17, 4811675), (25, 3271939), (55, 1487245), (85, 962335), (187, 437425), (275, 297449), (425, 192467), (935, 87485), (4675, 17497)]