51988144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{249943}}^1$

素因数の和:249964

約数の個数: 20

約数和(自身を含む): 108475696

約数和(自身を除く): 56487552

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 249943, 499886, 999772, 1999544, 3249259, 3999088, 6498518, 12997036, 25994072, 51988144]

約数ペア:

[(1, 51988144), (2, 25994072), (4, 12997036), (8, 6498518), (13, 3999088), (16, 3249259), (26, 1999544), (52, 999772), (104, 499886), (208, 249943)]