1778308

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:272

約数の個数: 36

約数和(自身を含む): 3721872

約数和(自身を除く): 1943564

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 211, 301, 422, 602, 844, 1204, 1477, 2107, 2954, 4214, 5908, 8428, 9073, 10339, 18146, 20678, 36292, 41356, 63511, 127022, 254044, 444577, 889154, 1778308]

約数ペア:

[(1, 1778308), (2, 889154), (4, 444577), (7, 254044), (14, 127022), (28, 63511), (43, 41356), (49, 36292), (86, 20678), (98, 18146), (172, 10339), (196, 9073), (211, 8428), (301, 5908), (422, 4214), (602, 2954), (844, 2107), (1204, 1477)]