209813406

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1681

約数の個数: 64

約数和(自身を含む): 483356160

約数和(自身を除く): 273542754

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 89, 138, 178, 253, 267, 506, 534, 759, 979, 1518, 1553, 1958, 2047, 2937, 3106, 4094, 4659, 5874, 6141, 9318, 12282, 17083, 22517, 34166, 35719, 45034, 51249, 67551, 71438, 102498, 107157, 135102, 138217, 214314, 276434, 392909, 414651, 785818, 829302, 1178727, 1520387, 2357454, 3040774, 3178991, 4561161, 6357982, 9122322, 9536973, 19073946, 34968901, 69937802, 104906703, 209813406]

約数ペア:

[(1, 209813406), (2, 104906703), (3, 69937802), (6, 34968901), (11, 19073946), (22, 9536973), (23, 9122322), (33, 6357982), (46, 4561161), (66, 3178991), (69, 3040774), (89, 2357454), (138, 1520387), (178, 1178727), (253, 829302), (267, 785818), (506, 414651), (534, 392909), (759, 276434), (979, 214314), (1518, 138217), (1553, 135102), (1958, 107157), (2047, 102498), (2937, 71438), (3106, 67551), (4094, 51249), (4659, 45034), (5874, 35719), (6141, 34166), (9318, 22517), (12282, 17083)]