81278778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1291}}^1\times {\mathrm{1499}}^1$

素因数の和:2802

約数の個数: 32

約数和(自身を含む): 186048000

約数和(自身を除く): 104769222

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1291, 1499, 2582, 2998, 3873, 4497, 7746, 8994, 9037, 10493, 18074, 20986, 27111, 31479, 54222, 62958, 1935209, 3870418, 5805627, 11611254, 13546463, 27092926, 40639389, 81278778]

約数ペア:

[(1, 81278778), (2, 40639389), (3, 27092926), (6, 13546463), (7, 11611254), (14, 5805627), (21, 3870418), (42, 1935209), (1291, 62958), (1499, 54222), (2582, 31479), (2998, 27111), (3873, 20986), (4497, 18074), (7746, 10493), (8994, 9037)]