12887912

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 25531200

約数和(自身を除く): 12643288

約数列:

[1, 2, 4, 8, 23, 46, 89, 92, 178, 184, 356, 712, 787, 1574, 2047, 3148, 4094, 6296, 8188, 16376, 18101, 36202, 70043, 72404, 140086, 144808, 280172, 560344, 1610989, 3221978, 6443956, 12887912]

約数ペア:

[(1, 12887912), (2, 6443956), (4, 3221978), (8, 1610989), (23, 560344), (46, 280172), (89, 144808), (92, 140086), (178, 72404), (184, 70043), (356, 36202), (712, 18101), (787, 16376), (1574, 8188), (2047, 6296), (3148, 4094)]