155216

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 20

約数和(自身を含む): 306900

約数和(自身を除く): 151684

約数列:

[1, 2, 4, 8, 16, 89, 109, 178, 218, 356, 436, 712, 872, 1424, 1744, 9701, 19402, 38804, 77608, 155216]

約数ペア:

[(1, 155216), (2, 77608), (4, 38804), (8, 19402), (16, 9701), (89, 1744), (109, 1424), (178, 872), (218, 712), (356, 436)]