290109526

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{1979}}^1$

素因数の和:2308

約数の個数: 32

約数和(自身を含む): 512835840

約数和(自身を除く): 222726314

約数列:

[1, 2, 7, 14, 37, 74, 259, 283, 518, 566, 1979, 1981, 3958, 3962, 10471, 13853, 20942, 27706, 73223, 73297, 146446, 146594, 512561, 560057, 1025122, 1120114, 3920399, 7840798, 20722109, 41444218, 145054763, 290109526]

約数ペア:

[(1, 290109526), (2, 145054763), (7, 41444218), (14, 20722109), (37, 7840798), (74, 3920399), (259, 1120114), (283, 1025122), (518, 560057), (566, 512561), (1979, 146594), (1981, 146446), (3958, 73297), (3962, 73223), (10471, 27706), (13853, 20942)]