81679784

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{10139}}^1$

素因数の和:10217

約数の個数: 32

約数和(自身を含む): 164268000

約数和(自身を除く): 82588216

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 152, 212, 424, 1007, 2014, 4028, 8056, 10139, 20278, 40556, 81112, 192641, 385282, 537367, 770564, 1074734, 1541128, 2149468, 4298936, 10209973, 20419946, 40839892, 81679784]

約数ペア:

[(1, 81679784), (2, 40839892), (4, 20419946), (8, 10209973), (19, 4298936), (38, 2149468), (53, 1541128), (76, 1074734), (106, 770564), (152, 537367), (212, 385282), (424, 192641), (1007, 81112), (2014, 40556), (4028, 20278), (8056, 10139)]