28505552

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{26591}}^1$

素因数の和:26666

約数の個数: 20

約数和(自身を含む): 56055936

約数和(自身を除く): 27550384

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 26591, 53182, 106364, 212728, 425456, 1781597, 3563194, 7126388, 14252776, 28505552]

約数ペア:

[(1, 28505552), (2, 14252776), (4, 7126388), (8, 3563194), (16, 1781597), (67, 425456), (134, 212728), (268, 106364), (536, 53182), (1072, 26591)]