261696356

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{600221}}^1$

素因数の和:600334

約数の個数: 12

約数和(自身を含む): 462170940

約数和(自身を除く): 200474584

約数列:

[1, 2, 4, 109, 218, 436, 600221, 1200442, 2400884, 65424089, 130848178, 261696356]

約数ペア:

[(1, 261696356), (2, 130848178), (4, 65424089), (109, 2400884), (218, 1200442), (436, 600221)]