865231388

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79031}}^1$

素因数の和:79082

約数の個数: 48

約数和(自身を含む): 1911942144

約数和(自身を除く): 1046710756

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 238, 322, 391, 476, 644, 782, 1564, 2737, 5474, 10948, 79031, 158062, 316124, 553217, 1106434, 1343527, 1817713, 2212868, 2687054, 3635426, 5374108, 7270852, 9404689, 12723991, 18809378, 25447982, 30901121, 37618756, 50895964, 61802242, 123604484, 216307847, 432615694, 865231388]

約数ペア:

[(1, 865231388), (2, 432615694), (4, 216307847), (7, 123604484), (14, 61802242), (17, 50895964), (23, 37618756), (28, 30901121), (34, 25447982), (46, 18809378), (68, 12723991), (92, 9404689), (119, 7270852), (161, 5374108), (238, 3635426), (322, 2687054), (391, 2212868), (476, 1817713), (644, 1343527), (782, 1106434), (1564, 553217), (2737, 316124), (5474, 158062), (10948, 79031)]