16378225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 21795480

約数和(自身を除く): 5417255

約数列:

[1, 5, 17, 25, 85, 89, 425, 433, 445, 1513, 2165, 2225, 7361, 7565, 10825, 36805, 37825, 38537, 184025, 192685, 655129, 963425, 3275645, 16378225]

約数ペア:

[(1, 16378225), (5, 3275645), (17, 963425), (25, 655129), (85, 192685), (89, 184025), (425, 38537), (433, 37825), (445, 36805), (1513, 10825), (2165, 7565), (2225, 7361)]