26128319

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 31868928

約数和(自身を除く): 5740609

約数列:

[1, 7, 31, 49, 103, 167, 217, 721, 1169, 1519, 3193, 5047, 5177, 8183, 17201, 22351, 36239, 120407, 156457, 253673, 533231, 842849, 3732617, 26128319]

約数ペア:

[(1, 26128319), (7, 3732617), (31, 842849), (49, 533231), (103, 253673), (167, 156457), (217, 120407), (721, 36239), (1169, 22351), (1519, 17201), (3193, 8183), (5047, 5177)]