28788925

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:370

約数の個数: 36

約数和(自身を含む): 40636288

約数和(自身を除く): 11847363

約数列:

[1, 5, 11, 25, 31, 55, 121, 155, 275, 307, 341, 605, 775, 1535, 1705, 3025, 3377, 3751, 7675, 8525, 9517, 16885, 18755, 37147, 47585, 84425, 93775, 104687, 185735, 237925, 523435, 928675, 1151557, 2617175, 5757785, 28788925]

約数ペア:

[(1, 28788925), (5, 5757785), (11, 2617175), (25, 1151557), (31, 928675), (55, 523435), (121, 237925), (155, 185735), (275, 104687), (307, 93775), (341, 84425), (605, 47585), (775, 37147), (1535, 18755), (1705, 16885), (3025, 9517), (3377, 8525), (3751, 7675)]