163791901

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 212244480

約数和(自身を除く): 48452579

約数列:

[1, 7, 13, 23, 91, 139, 161, 299, 563, 973, 1807, 2093, 3197, 3941, 7319, 12649, 12949, 22379, 41561, 51233, 78257, 90643, 168337, 290927, 547799, 1017341, 1178359, 1799911, 7121387, 12599377, 23398843, 163791901]

約数ペア:

[(1, 163791901), (7, 23398843), (13, 12599377), (23, 7121387), (91, 1799911), (139, 1178359), (161, 1017341), (299, 547799), (563, 290927), (973, 168337), (1807, 90643), (2093, 78257), (3197, 51233), (3941, 41561), (7319, 22379), (12649, 12949)]