128429824

素因数分解:

$2^8\times {\mathrm{199}}^1\times {\mathrm{2521}}^1$

素因数の和:2736

約数の個数: 36

約数和(自身を含む): 257748400

約数和(自身を除く): 129318576

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 256, 398, 796, 1592, 2521, 3184, 5042, 6368, 10084, 12736, 20168, 25472, 40336, 50944, 80672, 161344, 322688, 501679, 645376, 1003358, 2006716, 4013432, 8026864, 16053728, 32107456, 64214912, 128429824]

約数ペア:

[(1, 128429824), (2, 64214912), (4, 32107456), (8, 16053728), (16, 8026864), (32, 4013432), (64, 2006716), (128, 1003358), (199, 645376), (256, 501679), (398, 322688), (796, 161344), (1592, 80672), (2521, 50944), (3184, 40336), (5042, 25472), (6368, 20168), (10084, 12736)]