128238248

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{709}}^1\times {\mathrm{983}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 251510400

約数和(自身を除く): 123272152

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 709, 983, 1418, 1966, 2836, 3932, 5672, 7864, 16307, 22609, 32614, 45218, 65228, 90436, 130456, 180872, 696947, 1393894, 2787788, 5575576, 16029781, 32059562, 64119124, 128238248]

約数ペア:

[(1, 128238248), (2, 64119124), (4, 32059562), (8, 16029781), (23, 5575576), (46, 2787788), (92, 1393894), (184, 696947), (709, 180872), (983, 130456), (1418, 90436), (1966, 65228), (2836, 45218), (3932, 32614), (5672, 22609), (7864, 16307)]