158531344

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{90901}}^1$

素因数の和:91018

約数の個数: 20

約数和(自身を含む): 309975820

約数和(自身を除く): 151444476

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 90901, 181802, 363604, 727208, 1454416, 9908209, 19816418, 39632836, 79265672, 158531344]

約数ペア:

[(1, 158531344), (2, 79265672), (4, 39632836), (8, 19816418), (16, 9908209), (109, 1454416), (218, 727208), (436, 363604), (872, 181802), (1744, 90901)]