81540344

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{557}}^1\times {\mathrm{631}}^1$

素因数の和:1223

約数の個数: 32

約数和(自身を含む): 158695200

約数和(自身を除く): 77154856

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 557, 631, 1114, 1262, 2228, 2524, 4456, 5048, 16153, 18299, 32306, 36598, 64612, 73196, 129224, 146392, 351467, 702934, 1405868, 2811736, 10192543, 20385086, 40770172, 81540344]

約数ペア:

[(1, 81540344), (2, 40770172), (4, 20385086), (8, 10192543), (29, 2811736), (58, 1405868), (116, 702934), (232, 351467), (557, 146392), (631, 129224), (1114, 73196), (1262, 64612), (2228, 36598), (2524, 32306), (4456, 18299), (5048, 16153)]