641865025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{16661}}^1$

素因数の和:16761

約数の個数: 24

約数和(自身を含む): 842963904

約数和(自身を除く): 201098879

約数列:

[1, 5, 23, 25, 67, 115, 335, 575, 1541, 1675, 7705, 16661, 38525, 83305, 383203, 416525, 1116287, 1916015, 5581435, 9580075, 25674601, 27907175, 128373005, 641865025]

約数ペア:

[(1, 641865025), (5, 128373005), (23, 27907175), (25, 25674601), (67, 9580075), (115, 5581435), (335, 1916015), (575, 1116287), (1541, 416525), (1675, 383203), (7705, 83305), (16661, 38525)]