28678182

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:597

約数の個数: 64

約数和(自身を含む): 66904320

約数和(自身を除く): 38226138

約数列:

[1, 2, 3, 6, 13, 19, 26, 37, 38, 39, 57, 74, 78, 111, 114, 222, 247, 481, 494, 523, 703, 741, 962, 1046, 1406, 1443, 1482, 1569, 2109, 2886, 3138, 4218, 6799, 9139, 9937, 13598, 18278, 19351, 19874, 20397, 27417, 29811, 38702, 40794, 54834, 58053, 59622, 116106, 129181, 251563, 258362, 367669, 387543, 503126, 735338, 754689, 775086, 1103007, 1509378, 2206014, 4779697, 9559394, 14339091, 28678182]

約数ペア:

[(1, 28678182), (2, 14339091), (3, 9559394), (6, 4779697), (13, 2206014), (19, 1509378), (26, 1103007), (37, 775086), (38, 754689), (39, 735338), (57, 503126), (74, 387543), (78, 367669), (111, 258362), (114, 251563), (222, 129181), (247, 116106), (481, 59622), (494, 58053), (523, 54834), (703, 40794), (741, 38702), (962, 29811), (1046, 27417), (1406, 20397), (1443, 19874), (1482, 19351), (1569, 18278), (2109, 13598), (2886, 9937), (3138, 9139), (4218, 6799)]