81237482

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 128898000

約数和(自身を除く): 47660518

約数列:

[1, 2, 41, 61, 82, 109, 122, 149, 218, 298, 2501, 4469, 5002, 6109, 6649, 8938, 9089, 12218, 13298, 16241, 18178, 32482, 272609, 372649, 545218, 665881, 745298, 990701, 1331762, 1981402, 40618741, 81237482]

約数ペア:

[(1, 81237482), (2, 40618741), (41, 1981402), (61, 1331762), (82, 990701), (109, 745298), (122, 665881), (149, 545218), (218, 372649), (298, 272609), (2501, 32482), (4469, 18178), (5002, 16241), (6109, 13298), (6649, 12218), (8938, 9089)]