1259849984

素因数分解:

$2^8\times {\mathrm{4921289}}^1$

素因数の和:4921305

約数の個数: 18

約数和(自身を含む): 2514779190

約数和(自身を除く): 1254929206

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 4921289, 9842578, 19685156, 39370312, 78740624, 157481248, 314962496, 629924992, 1259849984]

約数ペア:

[(1, 1259849984), (2, 629924992), (4, 314962496), (8, 157481248), (16, 78740624), (32, 39370312), (64, 19685156), (128, 9842578), (256, 4921289)]