128463512

素因数分解:

$2^3\times {\mathrm{821}}^1\times {\mathrm{19559}}^1$

素因数の和:20386

約数の個数: 16

約数和(自身を含む): 241174800

約数和(自身を除く): 112711288

約数列:

[1, 2, 4, 8, 821, 1642, 3284, 6568, 19559, 39118, 78236, 156472, 16057939, 32115878, 64231756, 128463512]

約数ペア:

[(1, 128463512), (2, 64231756), (4, 32115878), (8, 16057939), (821, 156472), (1642, 78236), (3284, 39118), (6568, 19559)]