16271425

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 20891520

約数和(自身を除く): 4620095

約数列:

[1, 5, 25, 71, 89, 103, 355, 445, 515, 1775, 2225, 2575, 6319, 7313, 9167, 31595, 36565, 45835, 157975, 182825, 229175, 650857, 3254285, 16271425]

約数ペア:

[(1, 16271425), (5, 3254285), (25, 650857), (71, 229175), (89, 182825), (103, 157975), (355, 45835), (445, 36565), (515, 31595), (1775, 9167), (2225, 7313), (2575, 6319)]