28857175

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{751}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 37765440

約数和(自身を除く): 8908265

約数列:

[1, 5, 25, 29, 53, 145, 265, 725, 751, 1325, 1537, 3755, 7685, 18775, 21779, 38425, 39803, 108895, 199015, 544475, 995075, 1154287, 5771435, 28857175]

約数ペア:

[(1, 28857175), (5, 5771435), (25, 1154287), (29, 995075), (53, 544475), (145, 199015), (265, 108895), (725, 39803), (751, 38425), (1325, 21779), (1537, 18775), (3755, 7685)]