87256675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 124134912

約数和(自身を除く): 36878237

約数列:

[1, 5, 11, 25, 43, 47, 55, 157, 215, 235, 275, 473, 517, 785, 1075, 1175, 1727, 2021, 2365, 2585, 3925, 6751, 7379, 8635, 10105, 11825, 12925, 22231, 33755, 36895, 43175, 50525, 74261, 81169, 111155, 168775, 184475, 317297, 371305, 405845, 555775, 1586485, 1856525, 2029225, 3490267, 7932425, 17451335, 87256675]

約数ペア:

[(1, 87256675), (5, 17451335), (11, 7932425), (25, 3490267), (43, 2029225), (47, 1856525), (55, 1586485), (157, 555775), (215, 405845), (235, 371305), (275, 317297), (473, 184475), (517, 168775), (785, 111155), (1075, 81169), (1175, 74261), (1727, 50525), (2021, 43175), (2365, 36895), (2585, 33755), (3925, 22231), (6751, 12925), (7379, 11825), (8635, 10105)]