79968777

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 135168000

約数和(自身を除く): 55199223

約数列:

[1, 3, 7, 19, 21, 43, 57, 59, 79, 129, 133, 177, 237, 301, 399, 413, 553, 817, 903, 1121, 1239, 1501, 1659, 2451, 2537, 3363, 3397, 4503, 4661, 5719, 7611, 7847, 10191, 10507, 13983, 17157, 17759, 23541, 23779, 31521, 32627, 48203, 53277, 64543, 71337, 88559, 97881, 144609, 193629, 200423, 265677, 337421, 451801, 601269, 619913, 1012263, 1355403, 1402961, 1859739, 3808037, 4208883, 11424111, 26656259, 79968777]

約数ペア:

[(1, 79968777), (3, 26656259), (7, 11424111), (19, 4208883), (21, 3808037), (43, 1859739), (57, 1402961), (59, 1355403), (79, 1012263), (129, 619913), (133, 601269), (177, 451801), (237, 337421), (301, 265677), (399, 200423), (413, 193629), (553, 144609), (817, 97881), (903, 88559), (1121, 71337), (1239, 64543), (1501, 53277), (1659, 48203), (2451, 32627), (2537, 31521), (3363, 23779), (3397, 23541), (4503, 17759), (4661, 17157), (5719, 13983), (7611, 10507), (7847, 10191)]