81019654

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{367}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 132903936

約数和(自身を除く): 51884282

約数列:

[1, 2, 17, 34, 43, 86, 151, 302, 367, 731, 734, 1462, 2567, 5134, 6239, 6493, 12478, 12986, 15781, 31562, 55417, 110381, 110834, 220762, 268277, 536554, 942089, 1884178, 2382931, 4765862, 40509827, 81019654]

約数ペア:

[(1, 81019654), (2, 40509827), (17, 4765862), (34, 2382931), (43, 1884178), (86, 942089), (151, 536554), (302, 268277), (367, 220762), (731, 110834), (734, 110381), (1462, 55417), (2567, 31562), (5134, 15781), (6239, 12986), (6493, 12478)]