28722834

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{887}}^1$

素因数の和:1159

約数の個数: 48

約数和(自身を含む): 71480448

約数和(自身を除く): 42757614

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 257, 514, 771, 887, 1542, 1774, 1799, 2313, 2661, 3598, 4626, 5322, 5397, 6209, 7983, 10794, 12418, 15966, 16191, 18627, 32382, 37254, 55881, 111762, 227959, 455918, 683877, 1367754, 1595713, 2051631, 3191426, 4103262, 4787139, 9574278, 14361417, 28722834]

約数ペア:

[(1, 28722834), (2, 14361417), (3, 9574278), (6, 4787139), (7, 4103262), (9, 3191426), (14, 2051631), (18, 1595713), (21, 1367754), (42, 683877), (63, 455918), (126, 227959), (257, 111762), (514, 55881), (771, 37254), (887, 32382), (1542, 18627), (1774, 16191), (1799, 15966), (2313, 12418), (2661, 10794), (3598, 7983), (4626, 6209), (5322, 5397)]