28671156

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1117}}^1$

素因数の和:1181

約数の個数: 72

約数和(自身を含む): 78134784

約数和(自身を除く): 49463628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 62, 69, 92, 93, 124, 138, 186, 207, 276, 279, 372, 414, 558, 713, 828, 1116, 1117, 1426, 2139, 2234, 2852, 3351, 4278, 4468, 6417, 6702, 8556, 10053, 12834, 13404, 20106, 25668, 25691, 34627, 40212, 51382, 69254, 77073, 102764, 103881, 138508, 154146, 207762, 231219, 308292, 311643, 415524, 462438, 623286, 796421, 924876, 1246572, 1592842, 2389263, 3185684, 4778526, 7167789, 9557052, 14335578, 28671156]

約数ペア:

[(1, 28671156), (2, 14335578), (3, 9557052), (4, 7167789), (6, 4778526), (9, 3185684), (12, 2389263), (18, 1592842), (23, 1246572), (31, 924876), (36, 796421), (46, 623286), (62, 462438), (69, 415524), (92, 311643), (93, 308292), (124, 231219), (138, 207762), (186, 154146), (207, 138508), (276, 103881), (279, 102764), (372, 77073), (414, 69254), (558, 51382), (713, 40212), (828, 34627), (1116, 25691), (1117, 25668), (1426, 20106), (2139, 13404), (2234, 12834), (2852, 10053), (3351, 8556), (4278, 6702), (4468, 6417)]