28129716

素因数分解:

$2^2\times 3^2\times {\mathrm{191}}^1\times {\mathrm{4091}}^1$

素因数の和:4292

約数の個数: 36

約数和(自身を含む): 71495424

約数和(自身を除く): 43365708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 191, 382, 573, 764, 1146, 1719, 2292, 3438, 4091, 6876, 8182, 12273, 16364, 24546, 36819, 49092, 73638, 147276, 781381, 1562762, 2344143, 3125524, 4688286, 7032429, 9376572, 14064858, 28129716]

約数ペア:

[(1, 28129716), (2, 14064858), (3, 9376572), (4, 7032429), (6, 4688286), (9, 3125524), (12, 2344143), (18, 1562762), (36, 781381), (191, 147276), (382, 73638), (573, 49092), (764, 36819), (1146, 24546), (1719, 16364), (2292, 12273), (3438, 8182), (4091, 6876)]