28347664

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{41203}}^1$

素因数の和:41254

約数の個数: 20

約数和(自身を含む): 56202256

約数和(自身を除く): 27854592

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 41203, 82406, 164812, 329624, 659248, 1771729, 3543458, 7086916, 14173832, 28347664]

約数ペア:

[(1, 28347664), (2, 14173832), (4, 7086916), (8, 3543458), (16, 1771729), (43, 659248), (86, 329624), (172, 164812), (344, 82406), (688, 41203)]