505761568

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{2281}}^1$

素因数の和:2358

約数の個数: 72

約数和(自身を含む): 1104985476

約数和(自身を除く): 599223908

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 104, 164, 169, 208, 328, 338, 416, 533, 656, 676, 1066, 1312, 1352, 2132, 2281, 2704, 4264, 4562, 5408, 6929, 8528, 9124, 13858, 17056, 18248, 27716, 29653, 36496, 55432, 59306, 72992, 93521, 110864, 118612, 187042, 221728, 237224, 374084, 385489, 474448, 748168, 770978, 948896, 1215773, 1496336, 1541956, 2431546, 2992672, 3083912, 4863092, 6167824, 9726184, 12335648, 15805049, 19452368, 31610098, 38904736, 63220196, 126440392, 252880784, 505761568]

約数ペア:

[(1, 505761568), (2, 252880784), (4, 126440392), (8, 63220196), (13, 38904736), (16, 31610098), (26, 19452368), (32, 15805049), (41, 12335648), (52, 9726184), (82, 6167824), (104, 4863092), (164, 3083912), (169, 2992672), (208, 2431546), (328, 1541956), (338, 1496336), (416, 1215773), (533, 948896), (656, 770978), (676, 748168), (1066, 474448), (1312, 385489), (1352, 374084), (2132, 237224), (2281, 221728), (2704, 187042), (4264, 118612), (4562, 110864), (5408, 93521), (6929, 72992), (8528, 59306), (9124, 55432), (13858, 36496), (17056, 29653), (18248, 27716)]