81397506

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 179159040

約数和(自身を除く): 97761534

約数列:

[1, 2, 3, 6, 23, 31, 46, 53, 62, 69, 93, 106, 138, 159, 186, 318, 359, 713, 718, 1077, 1219, 1426, 1643, 2139, 2154, 2438, 3286, 3657, 4278, 4929, 7314, 8257, 9858, 11129, 16514, 19027, 22258, 24771, 33387, 37789, 38054, 49542, 57081, 66774, 75578, 113367, 114162, 226734, 255967, 437621, 511934, 589837, 767901, 875242, 1179674, 1312863, 1535802, 1769511, 2625726, 3539022, 13566251, 27132502, 40698753, 81397506]

約数ペア:

[(1, 81397506), (2, 40698753), (3, 27132502), (6, 13566251), (23, 3539022), (31, 2625726), (46, 1769511), (53, 1535802), (62, 1312863), (69, 1179674), (93, 875242), (106, 767901), (138, 589837), (159, 511934), (186, 437621), (318, 255967), (359, 226734), (713, 114162), (718, 113367), (1077, 75578), (1219, 66774), (1426, 57081), (1643, 49542), (2139, 38054), (2154, 37789), (2438, 33387), (3286, 24771), (3657, 22258), (4278, 19027), (4929, 16514), (7314, 11129), (8257, 9858)]