28125475

素因数分解:

$5^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{929}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 40131360

約数和(自身を除く): 12005885

約数列:

[1, 5, 7, 25, 35, 173, 175, 865, 929, 1211, 4325, 4645, 6055, 6503, 23225, 30275, 32515, 160717, 162575, 803585, 1125019, 4017925, 5625095, 28125475]

約数ペア:

[(1, 28125475), (5, 5625095), (7, 4017925), (25, 1125019), (35, 803585), (173, 162575), (175, 160717), (865, 32515), (929, 30275), (1211, 23225), (4325, 6503), (4645, 6055)]