28488964

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 59294592

約数和(自身を除く): 30805628

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 107, 148, 214, 257, 259, 428, 514, 518, 749, 1028, 1036, 1498, 1799, 2996, 3598, 3959, 7196, 7918, 9509, 15836, 19018, 27499, 27713, 38036, 54998, 55426, 66563, 109996, 110852, 133126, 192493, 266252, 384986, 769972, 1017463, 2034926, 4069852, 7122241, 14244482, 28488964]

約数ペア:

[(1, 28488964), (2, 14244482), (4, 7122241), (7, 4069852), (14, 2034926), (28, 1017463), (37, 769972), (74, 384986), (107, 266252), (148, 192493), (214, 133126), (257, 110852), (259, 109996), (428, 66563), (514, 55426), (518, 54998), (749, 38036), (1028, 27713), (1036, 27499), (1498, 19018), (1799, 15836), (2996, 9509), (3598, 7918), (3959, 7196)]