201891664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{970633}}^1$

素因数の和:970654

約数の個数: 20

約数和(自身を含む): 421255156

約数和(自身を除く): 219363492

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 970633, 1941266, 3882532, 7765064, 12618229, 15530128, 25236458, 50472916, 100945832, 201891664]

約数ペア:

[(1, 201891664), (2, 100945832), (4, 50472916), (8, 25236458), (13, 15530128), (16, 12618229), (26, 7765064), (52, 3882532), (104, 1941266), (208, 970633)]