256317238

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1217}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 411586560

約数和(自身を除く): 155269322

約数列:

[1, 2, 31, 43, 62, 79, 86, 158, 1217, 1333, 2434, 2449, 2666, 3397, 4898, 6794, 37727, 52331, 75454, 96143, 104662, 105307, 192286, 210614, 1622261, 2980433, 3244522, 4134149, 5960866, 8268298, 128158619, 256317238]

約数ペア:

[(1, 256317238), (2, 128158619), (31, 8268298), (43, 5960866), (62, 4134149), (79, 3244522), (86, 2980433), (158, 1622261), (1217, 210614), (1333, 192286), (2434, 105307), (2449, 104662), (2666, 96143), (3397, 75454), (4898, 52331), (6794, 37727)]