1949273476444

素因数分解:

$2^2\times 7^2\times {\mathrm{9945272839}}^1$

素因数の和:9945272857

約数の個数: 18

約数和(自身を含む): 3968163863160

約数和(自身を除く): 2018890386716

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 9945272839, 19890545678, 39781091356, 69616909873, 139233819746, 278467639492, 487318369111, 974636738222, 1949273476444]

約数ペア:

[(1, 1949273476444), (2, 974636738222), (4, 487318369111), (7, 278467639492), (14, 139233819746), (28, 69616909873), (49, 39781091356), (98, 19890545678), (196, 9945272839)]