28163044

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1579}}^1$

素因数の和:1617

約数の個数: 48

約数和(自身を含む): 61936000

約数和(自身を除く): 33772956

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 343, 364, 637, 686, 1274, 1372, 1579, 2548, 3158, 4459, 6316, 8918, 11053, 17836, 20527, 22106, 41054, 44212, 77371, 82108, 143689, 154742, 287378, 309484, 541597, 574756, 1005823, 1083194, 2011646, 2166388, 4023292, 7040761, 14081522, 28163044]

約数ペア:

[(1, 28163044), (2, 14081522), (4, 7040761), (7, 4023292), (13, 2166388), (14, 2011646), (26, 1083194), (28, 1005823), (49, 574756), (52, 541597), (91, 309484), (98, 287378), (182, 154742), (196, 143689), (343, 82108), (364, 77371), (637, 44212), (686, 41054), (1274, 22106), (1372, 20527), (1579, 17836), (2548, 11053), (3158, 8918), (4459, 6316)]