28989226

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{21347}}^1$

素因数の和:21453

約数の個数: 16

約数和(自身を含む): 50210496

約数和(自身を除く): 21221270

約数列:

[1, 2, 7, 14, 97, 194, 679, 1358, 21347, 42694, 149429, 298858, 2070659, 4141318, 14494613, 28989226]

約数ペア:

[(1, 28989226), (2, 14494613), (7, 4141318), (14, 2070659), (97, 298858), (194, 149429), (679, 42694), (1358, 21347)]