28751148

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 77837760

約数和(自身を除く): 49086612

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 109, 153, 204, 218, 306, 327, 431, 436, 612, 654, 862, 981, 1293, 1308, 1724, 1853, 1962, 2586, 3706, 3879, 3924, 5172, 5559, 7327, 7412, 7758, 11118, 14654, 15516, 16677, 21981, 22236, 29308, 33354, 43962, 46979, 65943, 66708, 87924, 93958, 131886, 140937, 187916, 263772, 281874, 422811, 563748, 798643, 845622, 1597286, 1691244, 2395929, 3194572, 4791858, 7187787, 9583716, 14375574, 28751148]

約数ペア:

[(1, 28751148), (2, 14375574), (3, 9583716), (4, 7187787), (6, 4791858), (9, 3194572), (12, 2395929), (17, 1691244), (18, 1597286), (34, 845622), (36, 798643), (51, 563748), (68, 422811), (102, 281874), (109, 263772), (153, 187916), (204, 140937), (218, 131886), (306, 93958), (327, 87924), (431, 66708), (436, 65943), (612, 46979), (654, 43962), (862, 33354), (981, 29308), (1293, 22236), (1308, 21981), (1724, 16677), (1853, 15516), (1962, 14654), (2586, 11118), (3706, 7758), (3879, 7412), (3924, 7327), (5172, 5559)]