2123464721

素因数分解:

$7^1\times {\mathrm{157}}^1\times {\mathrm{761}}^1\times {\mathrm{2539}}^1$

素因数の和:3464

約数の個数: 16

約数和(自身を含む): 2446446720

約数和(自身を除く): 322981999

約数列:

[1, 7, 157, 761, 1099, 2539, 5327, 17773, 119477, 398623, 836339, 1932179, 2790361, 13525253, 303352103, 2123464721]

約数ペア:

[(1, 2123464721), (7, 303352103), (157, 13525253), (761, 2790361), (1099, 1932179), (2539, 836339), (5327, 398623), (17773, 119477)]