389969494

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{743}}^1$

素因数の和:1164

約数の個数: 32

約数和(自身を含む): 636387840

約数和(自身を除く): 246418346

約数列:

[1, 2, 17, 34, 43, 86, 359, 718, 731, 743, 1462, 1486, 6103, 12206, 12631, 15437, 25262, 30874, 31949, 63898, 262429, 266737, 524858, 533474, 543133, 1086266, 4534529, 9069058, 11469691, 22939382, 194984747, 389969494]

約数ペア:

[(1, 389969494), (2, 194984747), (17, 22939382), (34, 11469691), (43, 9069058), (86, 4534529), (359, 1086266), (718, 543133), (731, 533474), (743, 524858), (1462, 266737), (1486, 262429), (6103, 63898), (12206, 31949), (12631, 30874), (15437, 25262)]