81534674

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 135460080

約数和(自身を除く): 53925406

約数列:

[1, 2, 13, 26, 61, 101, 122, 202, 509, 793, 1018, 1313, 1586, 2626, 6161, 6617, 12322, 13234, 31049, 51409, 62098, 80093, 102818, 160186, 403637, 668317, 807274, 1336634, 3135949, 6271898, 40767337, 81534674]

約数ペア:

[(1, 81534674), (2, 40767337), (13, 6271898), (26, 3135949), (61, 1336634), (101, 807274), (122, 668317), (202, 403637), (509, 160186), (793, 102818), (1018, 80093), (1313, 62098), (1586, 51409), (2626, 31049), (6161, 13234), (6617, 12322)]