205874158

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 383846400

約数和(自身を除く): 177972242

約数列:

[1, 2, 7, 14, 19, 38, 79, 97, 101, 133, 158, 194, 202, 266, 553, 679, 707, 1106, 1358, 1414, 1501, 1843, 1919, 3002, 3686, 3838, 7663, 7979, 9797, 10507, 12901, 13433, 15326, 15958, 19594, 21014, 25802, 26866, 53641, 55853, 68579, 107282, 111706, 137158, 145597, 151601, 186143, 291194, 303202, 372286, 773963, 1019179, 1061207, 1303001, 1547926, 2038358, 2122414, 2606002, 5417741, 10835482, 14705297, 29410594, 102937079, 205874158]

約数ペア:

[(1, 205874158), (2, 102937079), (7, 29410594), (14, 14705297), (19, 10835482), (38, 5417741), (79, 2606002), (97, 2122414), (101, 2038358), (133, 1547926), (158, 1303001), (194, 1061207), (202, 1019179), (266, 773963), (553, 372286), (679, 303202), (707, 291194), (1106, 186143), (1358, 151601), (1414, 145597), (1501, 137158), (1843, 111706), (1919, 107282), (3002, 68579), (3686, 55853), (3838, 53641), (7663, 26866), (7979, 25802), (9797, 21014), (10507, 19594), (12901, 15958), (13433, 15326)]