281299732

素因数分解:

$2^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{19973}}^1$

素因数の和:20487

約数の個数: 24

約数和(自身を含む): 563746176

約数和(自身を除く): 282446444

約数列:

[1, 2, 4, 7, 14, 28, 503, 1006, 2012, 3521, 7042, 14084, 19973, 39946, 79892, 139811, 279622, 559244, 10046419, 20092838, 40185676, 70324933, 140649866, 281299732]

約数ペア:

[(1, 281299732), (2, 140649866), (4, 70324933), (7, 40185676), (14, 20092838), (28, 10046419), (503, 559244), (1006, 279622), (2012, 139811), (3521, 79892), (7042, 39946), (14084, 19973)]