631465

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:81

約数の個数: 24

約数和(自身を含む): 884160

約数和(自身を除く): 252695

約数列:

[1, 5, 17, 19, 23, 85, 95, 115, 289, 323, 391, 437, 1445, 1615, 1955, 2185, 5491, 6647, 7429, 27455, 33235, 37145, 126293, 631465]

約数ペア:

[(1, 631465), (5, 126293), (17, 37145), (19, 33235), (23, 27455), (85, 7429), (95, 6647), (115, 5491), (289, 2185), (323, 1955), (391, 1615), (437, 1445)]