25890988

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1381}}^1$

素因数の和:1537

約数の個数: 24

約数和(自身を含む): 46822160

約数和(自身を除く): 20931172

約数列:

[1, 2, 4, 43, 86, 109, 172, 218, 436, 1381, 2762, 4687, 5524, 9374, 18748, 59383, 118766, 150529, 237532, 301058, 602116, 6472747, 12945494, 25890988]

約数ペア:

[(1, 25890988), (2, 12945494), (4, 6472747), (43, 602116), (86, 301058), (109, 237532), (172, 150529), (218, 118766), (436, 59383), (1381, 18748), (2762, 9374), (4687, 5524)]