28269528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{881}}^1$

素因数の和:1088

約数の個数: 64

約数和(自身を含む): 81285120

約数和(自身を除く): 53015592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 191, 382, 573, 764, 881, 1146, 1337, 1528, 1762, 2292, 2643, 2674, 3524, 4011, 4584, 5286, 5348, 6167, 7048, 8022, 10572, 10696, 12334, 16044, 18501, 21144, 24668, 32088, 37002, 49336, 74004, 148008, 168271, 336542, 504813, 673084, 1009626, 1177897, 1346168, 2019252, 2355794, 3533691, 4038504, 4711588, 7067382, 9423176, 14134764, 28269528]

約数ペア:

[(1, 28269528), (2, 14134764), (3, 9423176), (4, 7067382), (6, 4711588), (7, 4038504), (8, 3533691), (12, 2355794), (14, 2019252), (21, 1346168), (24, 1177897), (28, 1009626), (42, 673084), (56, 504813), (84, 336542), (168, 168271), (191, 148008), (382, 74004), (573, 49336), (764, 37002), (881, 32088), (1146, 24668), (1337, 21144), (1528, 18501), (1762, 16044), (2292, 12334), (2643, 10696), (2674, 10572), (3524, 8022), (4011, 7048), (4584, 6167), (5286, 5348)]