290548638

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{439}}^1\times {\mathrm{443}}^1$

素因数の和:973

約数の個数: 48

約数和(自身を含む): 639999360

約数和(自身を除く): 349450722

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 439, 443, 498, 747, 878, 886, 1317, 1329, 1494, 2634, 2658, 3951, 3987, 7902, 7974, 36437, 36769, 72874, 73538, 109311, 110307, 194477, 218622, 220614, 327933, 330921, 388954, 583431, 655866, 661842, 1166862, 1750293, 3500586, 16141591, 32283182, 48424773, 96849546, 145274319, 290548638]

約数ペア:

[(1, 290548638), (2, 145274319), (3, 96849546), (6, 48424773), (9, 32283182), (18, 16141591), (83, 3500586), (166, 1750293), (249, 1166862), (439, 661842), (443, 655866), (498, 583431), (747, 388954), (878, 330921), (886, 327933), (1317, 220614), (1329, 218622), (1494, 194477), (2634, 110307), (2658, 109311), (3951, 73538), (3987, 72874), (7902, 36769), (7974, 36437)]