1285455556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181459}}^1$

素因数の和:181504

約数の個数: 48

約数和(自身を含む): 2926586880

約数和(自身を除く): 1641131324

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 3542, 7084, 181459, 362918, 725836, 1270213, 1996049, 2540426, 3992098, 4173557, 5080852, 7984196, 8347114, 13972343, 16694228, 27944686, 29214899, 45909127, 55889372, 58429798, 91818254, 116859596, 183636508, 321363889, 642727778, 1285455556]

約数ペア:

[(1, 1285455556), (2, 642727778), (4, 321363889), (7, 183636508), (11, 116859596), (14, 91818254), (22, 58429798), (23, 55889372), (28, 45909127), (44, 29214899), (46, 27944686), (77, 16694228), (92, 13972343), (154, 8347114), (161, 7984196), (253, 5080852), (308, 4173557), (322, 3992098), (506, 2540426), (644, 1996049), (1012, 1270213), (1771, 725836), (3542, 362918), (7084, 181459)]