209970812

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{54623}}^1$

素因数の和:54689

約数の個数: 18

約数和(自身を含む): 379691424

約数和(自身を除く): 169720612

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 54623, 109246, 218492, 1693313, 3386626, 6773252, 52492703, 104985406, 209970812]

約数ペア:

[(1, 209970812), (2, 104985406), (4, 52492703), (31, 6773252), (62, 3386626), (124, 1693313), (961, 218492), (1922, 109246), (3844, 54623)]