65180272

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:577

約数の個数: 40

約数和(自身を含む): 129179232

約数和(自身を除く): 63998960

約数列:

[1, 2, 4, 8, 16, 71, 142, 181, 284, 317, 362, 568, 634, 724, 1136, 1268, 1448, 2536, 2896, 5072, 12851, 22507, 25702, 45014, 51404, 57377, 90028, 102808, 114754, 180056, 205616, 229508, 360112, 459016, 918032, 4073767, 8147534, 16295068, 32590136, 65180272]

約数ペア:

[(1, 65180272), (2, 32590136), (4, 16295068), (8, 8147534), (16, 4073767), (71, 918032), (142, 459016), (181, 360112), (284, 229508), (317, 205616), (362, 180056), (568, 114754), (634, 102808), (724, 90028), (1136, 57377), (1268, 51404), (1448, 45014), (2536, 25702), (2896, 22507), (5072, 12851)]