1279264985

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{23027}}^1$

素因数の和:23344

約数の個数: 16

約数和(自身を含む): 1578431232

約数和(自身を除く): 299166247

約数列:

[1, 5, 41, 205, 271, 1355, 11111, 23027, 55555, 115135, 944107, 4720535, 6240317, 31201585, 255852997, 1279264985]

約数ペア:

[(1, 1279264985), (5, 255852997), (41, 31201585), (205, 6240317), (271, 4720535), (1355, 944107), (11111, 115135), (23027, 55555)]