129840872

素因数分解:

$2^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{12953}}^1$

素因数の和:13145

約数の個数: 32

約数和(自身を含む): 279806400

約数和(自身を除く): 149965528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 179, 358, 716, 1253, 1432, 2506, 5012, 10024, 12953, 25906, 51812, 90671, 103624, 181342, 362684, 725368, 2318587, 4637174, 9274348, 16230109, 18548696, 32460218, 64920436, 129840872]

約数ペア:

[(1, 129840872), (2, 64920436), (4, 32460218), (7, 18548696), (8, 16230109), (14, 9274348), (28, 4637174), (56, 2318587), (179, 725368), (358, 362684), (716, 181342), (1253, 103624), (1432, 90671), (2506, 51812), (5012, 25906), (10024, 12953)]