87564776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{4231}}^1$

素因数の和:4449

約数の個数: 32

約数和(自身を含む): 177744000

約数和(自身を除く): 90179224

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 796, 1592, 2587, 4231, 5174, 8462, 10348, 16924, 20696, 33848, 55003, 110006, 220012, 440024, 841969, 1683938, 3367876, 6735752, 10945597, 21891194, 43782388, 87564776]

約数ペア:

[(1, 87564776), (2, 43782388), (4, 21891194), (8, 10945597), (13, 6735752), (26, 3367876), (52, 1683938), (104, 841969), (199, 440024), (398, 220012), (796, 110006), (1592, 55003), (2587, 33848), (4231, 20696), (5174, 16924), (8462, 10348)]