128981090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1842587}}^1$

素因数の和:1842601

約数の個数: 16

約数和(自身を含む): 265332672

約数和(自身を除く): 136351582

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1842587, 3685174, 9212935, 12898109, 18425870, 25796218, 64490545, 128981090]

約数ペア:

[(1, 128981090), (2, 64490545), (5, 25796218), (7, 18425870), (10, 12898109), (14, 9212935), (35, 3685174), (70, 1842587)]