138603728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{279443}}^1$

素因数の和:279482

約数の個数: 20

約数和(自身を含む): 277208448

約数和(自身を除く): 138604720

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 279443, 558886, 1117772, 2235544, 4471088, 8662733, 17325466, 34650932, 69301864, 138603728]

約数ペア:

[(1, 138603728), (2, 69301864), (4, 34650932), (8, 17325466), (16, 8662733), (31, 4471088), (62, 2235544), (124, 1117772), (248, 558886), (496, 279443)]