254339918

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1\times {\mathrm{1427}}^1$

素因数の和:1904

約数の個数: 32

約数和(自身を含む): 452390400

約数和(自身を除く): 198050482

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 439, 878, 1427, 2854, 3073, 6146, 9989, 12731, 19978, 25462, 41383, 82766, 89117, 178234, 289681, 579362, 626453, 1252906, 4385171, 8770342, 18167137, 36334274, 127169959, 254339918]

約数ペア:

[(1, 254339918), (2, 127169959), (7, 36334274), (14, 18167137), (29, 8770342), (58, 4385171), (203, 1252906), (406, 626453), (439, 579362), (878, 289681), (1427, 178234), (2854, 89117), (3073, 82766), (6146, 41383), (9989, 25462), (12731, 19978)]