641931262

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{439}}^1$

素因数の和:845

約数の個数: 48

約数和(自身を含む): 1152074880

約数和(自身を除く): 510143618

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 347, 439, 602, 694, 878, 2107, 2429, 3073, 4214, 4858, 6146, 14921, 17003, 18877, 21511, 29842, 34006, 37754, 43022, 104447, 132139, 152333, 208894, 264278, 304666, 731129, 924973, 1066331, 1462258, 1849946, 2132662, 6550319, 7464317, 13100638, 14928634, 45852233, 91704466, 320965631, 641931262]

約数ペア:

[(1, 641931262), (2, 320965631), (7, 91704466), (14, 45852233), (43, 14928634), (49, 13100638), (86, 7464317), (98, 6550319), (301, 2132662), (347, 1849946), (439, 1462258), (602, 1066331), (694, 924973), (878, 731129), (2107, 304666), (2429, 264278), (3073, 208894), (4214, 152333), (4858, 132139), (6146, 104447), (14921, 43022), (17003, 37754), (18877, 34006), (21511, 29842)]