1670825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 2296728

約数和(自身を除く): 625903

約数列:

[1, 5, 13, 25, 53, 65, 97, 265, 325, 485, 689, 1261, 1325, 2425, 3445, 5141, 6305, 17225, 25705, 31525, 66833, 128525, 334165, 1670825]

約数ペア:

[(1, 1670825), (5, 334165), (13, 128525), (25, 66833), (53, 31525), (65, 25705), (97, 17225), (265, 6305), (325, 5141), (485, 3445), (689, 2425), (1261, 1325)]