138467090

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{155581}}^1$

素因数の和:155677

約数の個数: 16

約数和(自身を含む): 252042840

約数和(自身を除く): 113575750

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 155581, 311162, 777905, 1555810, 13846709, 27693418, 69233545, 138467090]

約数ペア:

[(1, 138467090), (2, 69233545), (5, 27693418), (10, 13846709), (89, 1555810), (178, 777905), (445, 311162), (890, 155581)]