28290704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136013}}^1$

素因数の和:136034

約数の個数: 20

約数和(自身を含む): 59030076

約数和(自身を除く): 30739372

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136013, 272026, 544052, 1088104, 1768169, 2176208, 3536338, 7072676, 14145352, 28290704]

約数ペア:

[(1, 28290704), (2, 14145352), (4, 7072676), (8, 3536338), (13, 2176208), (16, 1768169), (26, 1088104), (52, 544052), (104, 272026), (208, 136013)]