664098784

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{1223}}^1$

素因数の和:1543

約数の個数: 48

約数和(自身を含む): 1332495360

約数和(自身を除く): 668396576

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 239, 284, 478, 568, 956, 1136, 1223, 1912, 2272, 2446, 3824, 4892, 7648, 9784, 16969, 19568, 33938, 39136, 67876, 86833, 135752, 173666, 271504, 292297, 347332, 543008, 584594, 694664, 1169188, 1389328, 2338376, 2778656, 4676752, 9353504, 20753087, 41506174, 83012348, 166024696, 332049392, 664098784]

約数ペア:

[(1, 664098784), (2, 332049392), (4, 166024696), (8, 83012348), (16, 41506174), (32, 20753087), (71, 9353504), (142, 4676752), (239, 2778656), (284, 2338376), (478, 1389328), (568, 1169188), (956, 694664), (1136, 584594), (1223, 543008), (1912, 347332), (2272, 292297), (2446, 271504), (3824, 173666), (4892, 135752), (7648, 86833), (9784, 67876), (16969, 39136), (19568, 33938)]