287964

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:450

約数の個数: 36

約数和(自身を含む): 768040

約数和(自身を除く): 480076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 421, 684, 842, 1263, 1684, 2526, 3789, 5052, 7578, 7999, 15156, 15998, 23997, 31996, 47994, 71991, 95988, 143982, 287964]

約数ペア:

[(1, 287964), (2, 143982), (3, 95988), (4, 71991), (6, 47994), (9, 31996), (12, 23997), (18, 15998), (19, 15156), (36, 7999), (38, 7578), (57, 5052), (76, 3789), (114, 2526), (171, 1684), (228, 1263), (342, 842), (421, 684)]