438425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:113

約数の個数: 24

約数和(自身を含む): 624960

約数和(自身を除く): 186535

約数列:

[1, 5, 13, 19, 25, 65, 71, 95, 247, 325, 355, 475, 923, 1235, 1349, 1775, 4615, 6175, 6745, 17537, 23075, 33725, 87685, 438425]

約数ペア:

[(1, 438425), (5, 87685), (13, 33725), (19, 23075), (25, 17537), (65, 6745), (71, 6175), (95, 4615), (247, 1775), (325, 1349), (355, 1235), (475, 923)]