12801616

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:883

約数の個数: 40

約数和(自身を含む): 26516160

約数和(自身を除く): 13714544

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 809, 989, 1618, 1978, 3236, 3956, 6472, 7912, 12944, 15824, 18607, 34787, 37214, 69574, 74428, 139148, 148856, 278296, 297712, 556592, 800101, 1600202, 3200404, 6400808, 12801616]

約数ペア:

[(1, 12801616), (2, 6400808), (4, 3200404), (8, 1600202), (16, 800101), (23, 556592), (43, 297712), (46, 278296), (86, 148856), (92, 139148), (172, 74428), (184, 69574), (344, 37214), (368, 34787), (688, 18607), (809, 15824), (989, 12944), (1618, 7912), (1978, 6472), (3236, 3956)]