51493325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 74995200

約数和(自身を除く): 23501875

約数列:

[1, 5, 13, 19, 25, 31, 65, 95, 155, 247, 269, 325, 403, 475, 589, 775, 1235, 1345, 2015, 2945, 3497, 5111, 6175, 6725, 7657, 8339, 10075, 14725, 17485, 25555, 38285, 41695, 66443, 87425, 108407, 127775, 158441, 191425, 208475, 332215, 542035, 792205, 1661075, 2059733, 2710175, 3961025, 10298665, 51493325]

約数ペア:

[(1, 51493325), (5, 10298665), (13, 3961025), (19, 2710175), (25, 2059733), (31, 1661075), (65, 792205), (95, 542035), (155, 332215), (247, 208475), (269, 191425), (325, 158441), (403, 127775), (475, 108407), (589, 87425), (775, 66443), (1235, 41695), (1345, 38285), (2015, 25555), (2945, 17485), (3497, 14725), (5111, 10075), (6175, 8339), (6725, 7657)]