28481453

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{769}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 39325440

約数和(自身を除く): 10843987

約数列:

[1, 7, 11, 13, 37, 77, 91, 143, 259, 407, 481, 769, 1001, 2849, 3367, 5291, 5383, 8459, 9997, 28453, 37037, 59213, 69979, 109967, 199171, 312983, 369889, 769769, 2190881, 2589223, 4068779, 28481453]

約数ペア:

[(1, 28481453), (7, 4068779), (11, 2589223), (13, 2190881), (37, 769769), (77, 369889), (91, 312983), (143, 199171), (259, 109967), (407, 69979), (481, 59213), (769, 37037), (1001, 28453), (2849, 9997), (3367, 8459), (5291, 5383)]