28394675

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{941}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 37845792

約数和(自身を除く): 9451117

約数列:

[1, 5, 17, 25, 71, 85, 355, 425, 941, 1207, 1775, 4705, 6035, 15997, 23525, 30175, 66811, 79985, 334055, 399925, 1135787, 1670275, 5678935, 28394675]

約数ペア:

[(1, 28394675), (5, 5678935), (17, 1670275), (25, 1135787), (71, 399925), (85, 334055), (355, 79985), (425, 66811), (941, 30175), (1207, 23525), (1775, 15997), (4705, 6035)]