28531825

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8581}}^1$

素因数の和:8617

約数の個数: 24

約数和(自身を含む): 42566720

約数和(自身を除く): 14034895

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 8581, 42905, 60067, 163039, 214525, 300335, 815195, 1141273, 1501675, 4075975, 5706365, 28531825]

約数ペア:

[(1, 28531825), (5, 5706365), (7, 4075975), (19, 1501675), (25, 1141273), (35, 815195), (95, 300335), (133, 214525), (175, 163039), (475, 60067), (665, 42905), (3325, 8581)]