1620228743

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{63781}}^1$

素因数の和:63998

約数の個数: 16

約数和(自身を含む): 1959383040

約数和(自身を除く): 339154297

約数列:

[1, 7, 19, 133, 191, 1337, 3629, 25403, 63781, 446467, 1211839, 8482873, 12182171, 85275197, 231461249, 1620228743]

約数ペア:

[(1, 1620228743), (7, 231461249), (19, 85275197), (133, 12182171), (191, 8482873), (1337, 1211839), (3629, 446467), (25403, 63781)]