258305268

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1723}}^1$

素因数の和:1805

約数の個数: 72

約数和(自身を含む): 671077344

約数和(自身を除く): 412772076

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 961, 1209, 1612, 1723, 1922, 2418, 2883, 3446, 3844, 4836, 5169, 5766, 6892, 10338, 11532, 12493, 20676, 22399, 24986, 37479, 44798, 49972, 53413, 67197, 74958, 89596, 106826, 134394, 149916, 160239, 213652, 268788, 320478, 640956, 694369, 1388738, 1655803, 2083107, 2777476, 3311606, 4166214, 4967409, 6623212, 8332428, 9934818, 19869636, 21525439, 43050878, 64576317, 86101756, 129152634, 258305268]

約数ペア:

[(1, 258305268), (2, 129152634), (3, 86101756), (4, 64576317), (6, 43050878), (12, 21525439), (13, 19869636), (26, 9934818), (31, 8332428), (39, 6623212), (52, 4967409), (62, 4166214), (78, 3311606), (93, 2777476), (124, 2083107), (156, 1655803), (186, 1388738), (372, 694369), (403, 640956), (806, 320478), (961, 268788), (1209, 213652), (1612, 160239), (1723, 149916), (1922, 134394), (2418, 106826), (2883, 89596), (3446, 74958), (3844, 67197), (4836, 53413), (5169, 49972), (5766, 44798), (6892, 37479), (10338, 24986), (11532, 22399), (12493, 20676)]