1281916

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 2383920

約数和(自身を除く): 1102004

約数列:

[1, 2, 4, 29, 43, 58, 86, 116, 172, 257, 514, 1028, 1247, 2494, 4988, 7453, 11051, 14906, 22102, 29812, 44204, 320479, 640958, 1281916]

約数ペア:

[(1, 1281916), (2, 640958), (4, 320479), (29, 44204), (43, 29812), (58, 22102), (86, 14906), (116, 11051), (172, 7453), (257, 4988), (514, 2494), (1028, 1247)]