128213204

素因数分解:

$2^2\times 7^2\times {\mathrm{654149}}^1$

素因数の和:654167

約数の個数: 18

約数和(自身を含む): 261005850

約数和(自身を除く): 132792646

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 654149, 1308298, 2616596, 4579043, 9158086, 18316172, 32053301, 64106602, 128213204]

約数ペア:

[(1, 128213204), (2, 64106602), (4, 32053301), (7, 18316172), (14, 9158086), (28, 4579043), (49, 2616596), (98, 1308298), (196, 654149)]