28032725

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3907}}^1$

素因数の和:3965

約数の個数: 24

約数和(自身を含む): 40705728

約数和(自身を除く): 12673003

約数列:

[1, 5, 7, 25, 35, 41, 175, 205, 287, 1025, 1435, 3907, 7175, 19535, 27349, 97675, 136745, 160187, 683725, 800935, 1121309, 4004675, 5606545, 28032725]

約数ペア:

[(1, 28032725), (5, 5606545), (7, 4004675), (25, 1121309), (35, 800935), (41, 683725), (175, 160187), (205, 136745), (287, 97675), (1025, 27349), (1435, 19535), (3907, 7175)]