257617074

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1423}}^1$

素因数の和:1663

約数の個数: 64

約数和(自身を含む): 608606208

約数和(自身を除く): 350989134

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 211, 286, 422, 429, 633, 858, 1266, 1423, 2321, 2743, 2846, 4269, 4642, 5486, 6963, 8229, 8538, 13926, 15653, 16458, 18499, 30173, 31306, 36998, 46959, 55497, 60346, 90519, 93918, 110994, 181038, 203489, 300253, 406978, 600506, 610467, 900759, 1220934, 1801518, 3302783, 3903289, 6605566, 7806578, 9908349, 11709867, 19816698, 23419734, 42936179, 85872358, 128808537, 257617074]

約数ペア:

[(1, 257617074), (2, 128808537), (3, 85872358), (6, 42936179), (11, 23419734), (13, 19816698), (22, 11709867), (26, 9908349), (33, 7806578), (39, 6605566), (66, 3903289), (78, 3302783), (143, 1801518), (211, 1220934), (286, 900759), (422, 610467), (429, 600506), (633, 406978), (858, 300253), (1266, 203489), (1423, 181038), (2321, 110994), (2743, 93918), (2846, 90519), (4269, 60346), (4642, 55497), (5486, 46959), (6963, 36998), (8229, 31306), (8538, 30173), (13926, 18499), (15653, 16458)]