281898626

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2689}}^1$

素因数の和:2810

約数の個数: 32

約数和(自身を含む): 460183680

約数和(自身を除く): 178285054

約数列:

[1, 2, 23, 43, 46, 53, 86, 106, 989, 1219, 1978, 2279, 2438, 2689, 4558, 5378, 52417, 61847, 104834, 115627, 123694, 142517, 231254, 285034, 2659421, 3277891, 5318842, 6128231, 6555782, 12256462, 140949313, 281898626]

約数ペア:

[(1, 281898626), (2, 140949313), (23, 12256462), (43, 6555782), (46, 6128231), (53, 5318842), (86, 3277891), (106, 2659421), (989, 285034), (1219, 231254), (1978, 142517), (2279, 123694), (2438, 115627), (2689, 104834), (4558, 61847), (5378, 52417)]