66261988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3259}}^1$

素因数の和:3316

約数の個数: 48

約数和(自身を含む): 138015360

約数和(自身を除く): 71753372

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 68, 92, 221, 299, 391, 442, 598, 782, 884, 1196, 1564, 3259, 5083, 6518, 10166, 13036, 20332, 42367, 55403, 74957, 84734, 110806, 149914, 169468, 221612, 299828, 720239, 974441, 1274269, 1440478, 1948882, 2548538, 2880956, 3897764, 5097076, 16565497, 33130994, 66261988]

約数ペア:

[(1, 66261988), (2, 33130994), (4, 16565497), (13, 5097076), (17, 3897764), (23, 2880956), (26, 2548538), (34, 1948882), (46, 1440478), (52, 1274269), (68, 974441), (92, 720239), (221, 299828), (299, 221612), (391, 169468), (442, 149914), (598, 110806), (782, 84734), (884, 74957), (1196, 55403), (1564, 42367), (3259, 20332), (5083, 13036), (6518, 10166)]