28906514

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2237}}^1$

素因数の和:2330

約数の個数: 32

約数和(自身を含む): 54141696

約数和(自身を除く): 25235182

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 142, 182, 497, 923, 994, 1846, 2237, 4474, 6461, 12922, 15659, 29081, 31318, 58162, 158827, 203567, 317654, 407134, 1111789, 2064751, 2223578, 4129502, 14453257, 28906514]

約数ペア:

[(1, 28906514), (2, 14453257), (7, 4129502), (13, 2223578), (14, 2064751), (26, 1111789), (71, 407134), (91, 317654), (142, 203567), (182, 158827), (497, 58162), (923, 31318), (994, 29081), (1846, 15659), (2237, 12922), (4474, 6461)]