128142752

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4049}}^1$

素因数の和:4125

約数の個数: 48

約数和(自身を含む): 269438400

約数和(自身を除く): 141295648

約数列:

[1, 2, 4, 8, 16, 23, 32, 43, 46, 86, 92, 172, 184, 344, 368, 688, 736, 989, 1376, 1978, 3956, 4049, 7912, 8098, 15824, 16196, 31648, 32392, 64784, 93127, 129568, 174107, 186254, 348214, 372508, 696428, 745016, 1392856, 1490032, 2785712, 2980064, 4004461, 5571424, 8008922, 16017844, 32035688, 64071376, 128142752]

約数ペア:

[(1, 128142752), (2, 64071376), (4, 32035688), (8, 16017844), (16, 8008922), (23, 5571424), (32, 4004461), (43, 2980064), (46, 2785712), (86, 1490032), (92, 1392856), (172, 745016), (184, 696428), (344, 372508), (368, 348214), (688, 186254), (736, 174107), (989, 129568), (1376, 93127), (1978, 64784), (3956, 32392), (4049, 31648), (7912, 16196), (8098, 15824)]