15661568

素因数分解:

$2^9\times {\mathrm{13}}^2\times {\mathrm{181}}^1$

素因数の和:225

約数の個数: 60

約数和(自身を含む): 34072038

約数和(自身を除く): 18410470

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, 1352, 1448, 1664, 2353, 2704, 2896, 3328, 4706, 5408, 5792, 6656, 9412, 10816, 11584, 18824, 21632, 23168, 30589, 37648, 43264, 46336, 61178, 75296, 86528, 92672, 122356, 150592, 244712, 301184, 489424, 602368, 978848, 1204736, 1957696, 3915392, 7830784, 15661568]

約数ペア:

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