28886868

素因数分解:

$2^2\times 3^5\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 76684608

約数和(自身を除く): 47797740

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 113, 162, 226, 243, 263, 324, 339, 452, 486, 526, 678, 789, 972, 1017, 1052, 1356, 1578, 2034, 2367, 3051, 3156, 4068, 4734, 6102, 7101, 9153, 9468, 12204, 14202, 18306, 21303, 27459, 28404, 29719, 36612, 42606, 54918, 59438, 63909, 85212, 89157, 109836, 118876, 127818, 178314, 255636, 267471, 356628, 534942, 802413, 1069884, 1604826, 2407239, 3209652, 4814478, 7221717, 9628956, 14443434, 28886868]

約数ペア:

[(1, 28886868), (2, 14443434), (3, 9628956), (4, 7221717), (6, 4814478), (9, 3209652), (12, 2407239), (18, 1604826), (27, 1069884), (36, 802413), (54, 534942), (81, 356628), (108, 267471), (113, 255636), (162, 178314), (226, 127818), (243, 118876), (263, 109836), (324, 89157), (339, 85212), (452, 63909), (486, 59438), (526, 54918), (678, 42606), (789, 36612), (972, 29719), (1017, 28404), (1052, 27459), (1356, 21303), (1578, 18306), (2034, 14202), (2367, 12204), (3051, 9468), (3156, 9153), (4068, 7101), (4734, 6102)]