28891856

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13577}}^1$

素因数の和:13611

約数の個数: 40

約数和(自身を含む): 67346880

約数和(自身を除く): 38455024

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 13577, 27154, 54308, 95039, 108616, 190078, 217232, 257963, 380156, 515926, 760312, 1031852, 1520624, 1805741, 2063704, 3611482, 4127408, 7222964, 14445928, 28891856]

約数ペア:

[(1, 28891856), (2, 14445928), (4, 7222964), (7, 4127408), (8, 3611482), (14, 2063704), (16, 1805741), (19, 1520624), (28, 1031852), (38, 760312), (56, 515926), (76, 380156), (112, 257963), (133, 217232), (152, 190078), (266, 108616), (304, 95039), (532, 54308), (1064, 27154), (2128, 13577)]