81427242

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{613}}^1$

素因数の和:775

約数の個数: 48

約数和(自身を含む): 177981408

約数和(自身を除く): 96554166

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 131, 169, 262, 338, 393, 507, 613, 786, 1014, 1226, 1703, 1839, 3406, 3678, 5109, 7969, 10218, 15938, 22139, 23907, 44278, 47814, 66417, 80303, 103597, 132834, 160606, 207194, 240909, 310791, 481818, 621582, 1043939, 2087878, 3131817, 6263634, 13571207, 27142414, 40713621, 81427242]

約数ペア:

[(1, 81427242), (2, 40713621), (3, 27142414), (6, 13571207), (13, 6263634), (26, 3131817), (39, 2087878), (78, 1043939), (131, 621582), (169, 481818), (262, 310791), (338, 240909), (393, 207194), (507, 160606), (613, 132834), (786, 103597), (1014, 80303), (1226, 66417), (1703, 47814), (1839, 44278), (3406, 23907), (3678, 22139), (5109, 15938), (7969, 10218)]