31323136

素因数分解:

$2^{10}\times {\mathrm{13}}^2\times {\mathrm{181}}^1$

素因数の和:227

約数の個数: 66

約数和(自身を含む): 68177382

約数和(自身を除く): 36854246

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 181, 208, 256, 338, 362, 416, 512, 676, 724, 832, 1024, 1352, 1448, 1664, 2353, 2704, 2896, 3328, 4706, 5408, 5792, 6656, 9412, 10816, 11584, 13312, 18824, 21632, 23168, 30589, 37648, 43264, 46336, 61178, 75296, 86528, 92672, 122356, 150592, 173056, 185344, 244712, 301184, 489424, 602368, 978848, 1204736, 1957696, 2409472, 3915392, 7830784, 15661568, 31323136]

約数ペア:

[(1, 31323136), (2, 15661568), (4, 7830784), (8, 3915392), (13, 2409472), (16, 1957696), (26, 1204736), (32, 978848), (52, 602368), (64, 489424), (104, 301184), (128, 244712), (169, 185344), (181, 173056), (208, 150592), (256, 122356), (338, 92672), (362, 86528), (416, 75296), (512, 61178), (676, 46336), (724, 43264), (832, 37648), (1024, 30589), (1352, 23168), (1448, 21632), (1664, 18824), (2353, 13312), (2704, 11584), (2896, 10816), (3328, 9412), (4706, 6656), (5408, 5792)]