253328

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:302

約数の個数: 20

約数和(自身を含む): 499968

約数和(自身を除く): 246640

約数列:

[1, 2, 4, 8, 16, 71, 142, 223, 284, 446, 568, 892, 1136, 1784, 3568, 15833, 31666, 63332, 126664, 253328]

約数ペア:

[(1, 253328), (2, 126664), (4, 63332), (8, 31666), (16, 15833), (71, 3568), (142, 1784), (223, 1136), (284, 892), (446, 568)]