865408

素因数分解:

$2^7\times {\mathrm{6761}}^1$

素因数の和:6775

約数の個数: 16

約数和(自身を含む): 1724310

約数和(自身を除く): 858902

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 6761, 13522, 27044, 54088, 108176, 216352, 432704, 865408]

約数ペア:

[(1, 865408), (2, 432704), (4, 216352), (8, 108176), (16, 54088), (32, 27044), (64, 13522), (128, 6761)]