51389786

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{8719}}^1$

素因数の和:9149

約数の個数: 16

約数和(自身を含む): 88316160

約数和(自身を除く): 36926374

約数列:

[1, 2, 7, 14, 421, 842, 2947, 5894, 8719, 17438, 61033, 122066, 3670699, 7341398, 25694893, 51389786]

約数ペア:

[(1, 51389786), (2, 25694893), (7, 7341398), (14, 3670699), (421, 122066), (842, 61033), (2947, 17438), (5894, 8719)]