655689244

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{16691}}^1$

素因数の和:16786

約数の個数: 48

約数和(自身を含む): 1390910976

約数和(自身を除く): 735221732

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 61, 92, 122, 161, 244, 322, 427, 644, 854, 1403, 1708, 2806, 5612, 9821, 16691, 19642, 33382, 39284, 66764, 116837, 233674, 383893, 467348, 767786, 1018151, 1535572, 2036302, 2687251, 4072604, 5374502, 7127057, 10749004, 14254114, 23417473, 28508228, 46834946, 93669892, 163922311, 327844622, 655689244]

約数ペア:

[(1, 655689244), (2, 327844622), (4, 163922311), (7, 93669892), (14, 46834946), (23, 28508228), (28, 23417473), (46, 14254114), (61, 10749004), (92, 7127057), (122, 5374502), (161, 4072604), (244, 2687251), (322, 2036302), (427, 1535572), (644, 1018151), (854, 767786), (1403, 467348), (1708, 383893), (2806, 233674), (5612, 116837), (9821, 66764), (16691, 39284), (19642, 33382)]