28417625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 38548224

約数和(自身を除く): 10130599

約数列:

[1, 5, 17, 25, 43, 85, 125, 215, 311, 425, 731, 1075, 1555, 2125, 3655, 5287, 5375, 7775, 13373, 18275, 26435, 38875, 66865, 91375, 132175, 227341, 334325, 660875, 1136705, 1671625, 5683525, 28417625]

約数ペア:

[(1, 28417625), (5, 5683525), (17, 1671625), (25, 1136705), (43, 660875), (85, 334325), (125, 227341), (215, 132175), (311, 91375), (425, 66865), (731, 38875), (1075, 26435), (1555, 18275), (2125, 13373), (3655, 7775), (5287, 5375)]