81346916

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 167405952

約数和(自身を除く): 86059036

約数列:

[1, 2, 4, 7, 14, 28, 61, 97, 122, 194, 244, 388, 427, 491, 679, 854, 982, 1358, 1708, 1964, 2716, 3437, 5917, 6874, 11834, 13748, 23668, 29951, 41419, 47627, 59902, 82838, 95254, 119804, 165676, 190508, 209657, 333389, 419314, 666778, 838628, 1333556, 2905247, 5810494, 11620988, 20336729, 40673458, 81346916]

約数ペア:

[(1, 81346916), (2, 40673458), (4, 20336729), (7, 11620988), (14, 5810494), (28, 2905247), (61, 1333556), (97, 838628), (122, 666778), (194, 419314), (244, 333389), (388, 209657), (427, 190508), (491, 165676), (679, 119804), (854, 95254), (982, 82838), (1358, 59902), (1708, 47627), (1964, 41419), (2716, 29951), (3437, 23668), (5917, 13748), (6874, 11834)]