1290985838

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{1811}}^1\times {\mathrm{3529}}^1$

素因数の和:5443

約数の個数: 16

約数和(自身を含む): 1957286160

約数和(自身を除く): 666300322

約数列:

[1, 2, 101, 202, 1811, 3529, 3622, 7058, 182911, 356429, 365822, 712858, 6391019, 12782038, 645492919, 1290985838]

約数ペア:

[(1, 1290985838), (2, 645492919), (101, 12782038), (202, 6391019), (1811, 712858), (3529, 365822), (3622, 356429), (7058, 182911)]