28708428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5101}}^1$

素因数の和:5182

約数の個数: 48

約数和(自身を含む): 77713664

約数和(自身を除く): 49005236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 67, 84, 134, 201, 268, 402, 469, 804, 938, 1407, 1876, 2814, 5101, 5628, 10202, 15303, 20404, 30606, 35707, 61212, 71414, 107121, 142828, 214242, 341767, 428484, 683534, 1025301, 1367068, 2050602, 2392369, 4101204, 4784738, 7177107, 9569476, 14354214, 28708428]

約数ペア:

[(1, 28708428), (2, 14354214), (3, 9569476), (4, 7177107), (6, 4784738), (7, 4101204), (12, 2392369), (14, 2050602), (21, 1367068), (28, 1025301), (42, 683534), (67, 428484), (84, 341767), (134, 214242), (201, 142828), (268, 107121), (402, 71414), (469, 61212), (804, 35707), (938, 30606), (1407, 20404), (1876, 15303), (2814, 10202), (5101, 5628)]