31591285

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:186

約数の個数: 32

約数和(自身を含む): 43006464

約数和(自身を除く): 11415179

約数列:

[1, 5, 11, 47, 55, 101, 121, 235, 505, 517, 605, 1111, 1331, 2585, 4747, 5555, 5687, 6655, 12221, 23735, 28435, 52217, 61105, 62557, 134431, 261085, 312785, 574387, 672155, 2871935, 6318257, 31591285]

約数ペア:

[(1, 31591285), (5, 6318257), (11, 2871935), (47, 672155), (55, 574387), (101, 312785), (121, 261085), (235, 134431), (505, 62557), (517, 61105), (605, 52217), (1111, 28435), (1331, 23735), (2585, 12221), (4747, 6655), (5555, 5687)]