128007248

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{2351}}^1$

素因数の和:2483

約数の個数: 40

約数和(自身を含む): 257233536

約数和(自身を除く): 129226288

約数列:

[1, 2, 4, 8, 16, 41, 82, 83, 164, 166, 328, 332, 656, 664, 1328, 2351, 3403, 4702, 6806, 9404, 13612, 18808, 27224, 37616, 54448, 96391, 192782, 195133, 385564, 390266, 771128, 780532, 1542256, 1561064, 3122128, 8000453, 16000906, 32001812, 64003624, 128007248]

約数ペア:

[(1, 128007248), (2, 64003624), (4, 32001812), (8, 16000906), (16, 8000453), (41, 3122128), (82, 1561064), (83, 1542256), (164, 780532), (166, 771128), (328, 390266), (332, 385564), (656, 195133), (664, 192782), (1328, 96391), (2351, 54448), (3403, 37616), (4702, 27224), (6806, 18808), (9404, 13612)]