16444975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 21762000

約数和(自身を除く): 5317025

約数列:

[1, 5, 19, 25, 89, 95, 389, 445, 475, 1691, 1945, 2225, 7391, 8455, 9725, 34621, 36955, 42275, 173105, 184775, 657799, 865525, 3288995, 16444975]

約数ペア:

[(1, 16444975), (5, 3288995), (19, 865525), (25, 657799), (89, 184775), (95, 173105), (389, 42275), (445, 36955), (475, 34621), (1691, 9725), (1945, 8455), (2225, 7391)]