131120128

素因数分解:

$2^{10}\times {\mathrm{128047}}^1$

素因数の和:128067

約数の個数: 22

約数和(自身を含む): 262114256

約数和(自身を除く): 130994128

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 128047, 256094, 512188, 1024376, 2048752, 4097504, 8195008, 16390016, 32780032, 65560064, 131120128]

約数ペア:

[(1, 131120128), (2, 65560064), (4, 32780032), (8, 16390016), (16, 8195008), (32, 4097504), (64, 2048752), (128, 1024376), (256, 512188), (512, 256094), (1024, 128047)]