287291212

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{6967}}^1$

素因数の和:7058

約数の個数: 36

約数和(自身を含む): 553412496

約数和(自身を除く): 266121284

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 169, 244, 338, 676, 793, 1586, 3172, 6967, 10309, 13934, 20618, 27868, 41236, 90571, 181142, 362284, 424987, 849974, 1177423, 1699948, 2354846, 4709692, 5524831, 11049662, 22099324, 71822803, 143645606, 287291212]

約数ペア:

[(1, 287291212), (2, 143645606), (4, 71822803), (13, 22099324), (26, 11049662), (52, 5524831), (61, 4709692), (122, 2354846), (169, 1699948), (244, 1177423), (338, 849974), (676, 424987), (793, 362284), (1586, 181142), (3172, 90571), (6967, 41236), (10309, 27868), (13934, 20618)]