28400568

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2381}}^1$

素因数の和:2468

約数の個数: 64

約数和(自身を含む): 82321920

約数和(自身を除く): 53921352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 71, 84, 142, 168, 213, 284, 426, 497, 568, 852, 994, 1491, 1704, 1988, 2381, 2982, 3976, 4762, 5964, 7143, 9524, 11928, 14286, 16667, 19048, 28572, 33334, 50001, 57144, 66668, 100002, 133336, 169051, 200004, 338102, 400008, 507153, 676204, 1014306, 1183357, 1352408, 2028612, 2366714, 3550071, 4057224, 4733428, 7100142, 9466856, 14200284, 28400568]

約数ペア:

[(1, 28400568), (2, 14200284), (3, 9466856), (4, 7100142), (6, 4733428), (7, 4057224), (8, 3550071), (12, 2366714), (14, 2028612), (21, 1352408), (24, 1183357), (28, 1014306), (42, 676204), (56, 507153), (71, 400008), (84, 338102), (142, 200004), (168, 169051), (213, 133336), (284, 100002), (426, 66668), (497, 57144), (568, 50001), (852, 33334), (994, 28572), (1491, 19048), (1704, 16667), (1988, 14286), (2381, 11928), (2982, 9524), (3976, 7143), (4762, 5964)]