25081021

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 29232000

約数和(自身を除く): 4150979

約数列:

[1, 7, 139, 149, 173, 973, 1043, 1211, 20711, 24047, 25777, 144977, 168329, 180439, 3583003, 25081021]

約数ペア:

[(1, 25081021), (7, 3583003), (139, 180439), (149, 168329), (173, 144977), (973, 25777), (1043, 24047), (1211, 20711)]