71656144

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:408

約数の個数: 80

約数和(自身を含む): 168878080

約数和(自身を除く): 97221936

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 151, 152, 223, 266, 302, 304, 446, 532, 604, 892, 1057, 1064, 1208, 1561, 1784, 2114, 2128, 2416, 2869, 3122, 3568, 4228, 4237, 5738, 6244, 8456, 8474, 11476, 12488, 16912, 16948, 20083, 22952, 24976, 29659, 33673, 33896, 40166, 45904, 59318, 67346, 67792, 80332, 118636, 134692, 160664, 235711, 237272, 269384, 321328, 471422, 474544, 538768, 639787, 942844, 1279574, 1885688, 2559148, 3771376, 4478509, 5118296, 8957018, 10236592, 17914036, 35828072, 71656144]

約数ペア:

[(1, 71656144), (2, 35828072), (4, 17914036), (7, 10236592), (8, 8957018), (14, 5118296), (16, 4478509), (19, 3771376), (28, 2559148), (38, 1885688), (56, 1279574), (76, 942844), (112, 639787), (133, 538768), (151, 474544), (152, 471422), (223, 321328), (266, 269384), (302, 237272), (304, 235711), (446, 160664), (532, 134692), (604, 118636), (892, 80332), (1057, 67792), (1064, 67346), (1208, 59318), (1561, 45904), (1784, 40166), (2114, 33896), (2128, 33673), (2416, 29659), (2869, 24976), (3122, 22952), (3568, 20083), (4228, 16948), (4237, 16912), (5738, 12488), (6244, 11476), (8456, 8474)]