81335288258

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{22431133}}^1$

素因数の和:22431186

約数の個数: 24

約数和(自身を含む): 145757508732

約数和(自身を除く): 64422220474

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 22431133, 44862266, 157017931, 314035862, 829951921, 1099125517, 1659903842, 2198251034, 5809663447, 11619326894, 40667644129, 81335288258]

約数ペア:

[(1, 81335288258), (2, 40667644129), (7, 11619326894), (14, 5809663447), (37, 2198251034), (49, 1659903842), (74, 1099125517), (98, 829951921), (259, 314035862), (518, 157017931), (1813, 44862266), (3626, 22431133)]