78981678

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2687}}^1$

素因数の和:2789

約数の個数: 48

約数和(自身を含む): 181149696

約数和(自身を除く): 102168018

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 71, 138, 142, 207, 213, 414, 426, 639, 1278, 1633, 2687, 3266, 4899, 5374, 8061, 9798, 14697, 16122, 24183, 29394, 48366, 61801, 123602, 185403, 190777, 370806, 381554, 556209, 572331, 1112418, 1144662, 1716993, 3433986, 4387871, 8775742, 13163613, 26327226, 39490839, 78981678]

約数ペア:

[(1, 78981678), (2, 39490839), (3, 26327226), (6, 13163613), (9, 8775742), (18, 4387871), (23, 3433986), (46, 1716993), (69, 1144662), (71, 1112418), (138, 572331), (142, 556209), (207, 381554), (213, 370806), (414, 190777), (426, 185403), (639, 123602), (1278, 61801), (1633, 48366), (2687, 29394), (3266, 24183), (4899, 16122), (5374, 14697), (8061, 9798)]