71312128

素因数分解:

$2^8\times {\mathrm{278563}}^1$

素因数の和:278579

約数の個数: 18

約数和(自身を含む): 142346204

約数和(自身を除く): 71034076

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 278563, 557126, 1114252, 2228504, 4457008, 8914016, 17828032, 35656064, 71312128]

約数ペア:

[(1, 71312128), (2, 35656064), (4, 17828032), (8, 8914016), (16, 4457008), (32, 2228504), (64, 1114252), (128, 557126), (256, 278563)]