290919368

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{971}}^1\times {\mathrm{2203}}^1$

素因数の和:3197

約数の個数: 32

約数和(自身を含む): 578417760

約数和(自身を除く): 287498392

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 971, 1942, 2203, 3884, 4406, 7768, 8812, 16507, 17624, 33014, 37451, 66028, 74902, 132056, 149804, 299608, 2139113, 4278226, 8556452, 17112904, 36364921, 72729842, 145459684, 290919368]

約数ペア:

[(1, 290919368), (2, 145459684), (4, 72729842), (8, 36364921), (17, 17112904), (34, 8556452), (68, 4278226), (136, 2139113), (971, 299608), (1942, 149804), (2203, 132056), (3884, 74902), (4406, 66028), (7768, 37451), (8812, 33014), (16507, 17624)]