815219834

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:724

約数の個数: 72

約数和(自身を含む): 1504734336

約数和(自身を除く): 689514502

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 121, 143, 169, 242, 286, 338, 341, 403, 643, 682, 806, 1286, 1573, 1859, 3146, 3718, 3751, 4433, 5239, 7073, 7502, 8359, 8866, 10478, 14146, 16718, 19933, 20449, 39866, 40898, 48763, 57629, 77803, 91949, 97526, 108667, 115258, 155606, 183898, 217334, 219263, 259129, 438526, 518258, 633919, 1011439, 1195337, 1267838, 2022878, 2390674, 2411893, 2850419, 3368677, 4823786, 5700838, 6737354, 13148707, 26297414, 31354609, 37055447, 62709218, 74110894, 407609917, 815219834]

約数ペア:

[(1, 815219834), (2, 407609917), (11, 74110894), (13, 62709218), (22, 37055447), (26, 31354609), (31, 26297414), (62, 13148707), (121, 6737354), (143, 5700838), (169, 4823786), (242, 3368677), (286, 2850419), (338, 2411893), (341, 2390674), (403, 2022878), (643, 1267838), (682, 1195337), (806, 1011439), (1286, 633919), (1573, 518258), (1859, 438526), (3146, 259129), (3718, 219263), (3751, 217334), (4433, 183898), (5239, 155606), (7073, 115258), (7502, 108667), (8359, 97526), (8866, 91949), (10478, 77803), (14146, 57629), (16718, 48763), (19933, 40898), (20449, 39866)]