254372144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1222943}}^1$

素因数の和:1222964

約数の個数: 20

約数和(自身を含む): 530757696

約数和(自身を除く): 276385552

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1222943, 2445886, 4891772, 9783544, 15898259, 19567088, 31796518, 63593036, 127186072, 254372144]

約数ペア:

[(1, 254372144), (2, 127186072), (4, 63593036), (8, 31796518), (13, 19567088), (16, 15898259), (26, 9783544), (52, 4891772), (104, 2445886), (208, 1222943)]