28542822

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61781}}^1$

素因数の和:61804

約数の個数: 32

約数和(自身を含む): 71172864

約数和(自身を除く): 42630042

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 61781, 123562, 185343, 370686, 432467, 679591, 864934, 1297401, 1359182, 2038773, 2594802, 4077546, 4757137, 9514274, 14271411, 28542822]

約数ペア:

[(1, 28542822), (2, 14271411), (3, 9514274), (6, 4757137), (7, 4077546), (11, 2594802), (14, 2038773), (21, 1359182), (22, 1297401), (33, 864934), (42, 679591), (66, 432467), (77, 370686), (154, 185343), (231, 123562), (462, 61781)]