201945136

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{206911}}^1$

素因数の和:206980

約数の個数: 20

約数和(自身を含む): 397684864

約数和(自身を除く): 195739728

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 206911, 413822, 827644, 1655288, 3310576, 12621571, 25243142, 50486284, 100972568, 201945136]

約数ペア:

[(1, 201945136), (2, 100972568), (4, 50486284), (8, 25243142), (16, 12621571), (61, 3310576), (122, 1655288), (244, 827644), (488, 413822), (976, 206911)]