215278206

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{10909}}^1$

素因数の和:10961

約数の個数: 64

約数和(自身を含む): 527869440

約数和(自身を除く): 312591234

約数列:

[1, 2, 3, 6, 11, 13, 22, 23, 26, 33, 39, 46, 66, 69, 78, 138, 143, 253, 286, 299, 429, 506, 598, 759, 858, 897, 1518, 1794, 3289, 6578, 9867, 10909, 19734, 21818, 32727, 65454, 119999, 141817, 239998, 250907, 283634, 359997, 425451, 501814, 719994, 752721, 850902, 1505442, 1559987, 2759977, 3119974, 3261791, 4679961, 5519954, 6523582, 8279931, 9359922, 9785373, 16559862, 19570746, 35879701, 71759402, 107639103, 215278206]

約数ペア:

[(1, 215278206), (2, 107639103), (3, 71759402), (6, 35879701), (11, 19570746), (13, 16559862), (22, 9785373), (23, 9359922), (26, 8279931), (33, 6523582), (39, 5519954), (46, 4679961), (66, 3261791), (69, 3119974), (78, 2759977), (138, 1559987), (143, 1505442), (253, 850902), (286, 752721), (299, 719994), (429, 501814), (506, 425451), (598, 359997), (759, 283634), (858, 250907), (897, 239998), (1518, 141817), (1794, 119999), (3289, 65454), (6578, 32727), (9867, 21818), (10909, 19734)]