81984126

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1447}}^1$

素因数の和:1549

約数の個数: 64

約数和(自身を含む): 200171520

約数和(自身を除く): 118187394

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 71, 114, 133, 142, 213, 266, 399, 426, 497, 798, 994, 1349, 1447, 1491, 2698, 2894, 2982, 4047, 4341, 8094, 8682, 9443, 10129, 18886, 20258, 27493, 28329, 30387, 54986, 56658, 60774, 82479, 102737, 164958, 192451, 205474, 308211, 384902, 577353, 616422, 719159, 1154706, 1438318, 1952003, 2157477, 3904006, 4314954, 5856009, 11712018, 13664021, 27328042, 40992063, 81984126]

約数ペア:

[(1, 81984126), (2, 40992063), (3, 27328042), (6, 13664021), (7, 11712018), (14, 5856009), (19, 4314954), (21, 3904006), (38, 2157477), (42, 1952003), (57, 1438318), (71, 1154706), (114, 719159), (133, 616422), (142, 577353), (213, 384902), (266, 308211), (399, 205474), (426, 192451), (497, 164958), (798, 102737), (994, 82479), (1349, 60774), (1447, 56658), (1491, 54986), (2698, 30387), (2894, 28329), (2982, 27493), (4047, 20258), (4341, 18886), (8094, 10129), (8682, 9443)]