638625019204

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{751}}^1\times {\mathrm{11189029}}^1$

素因数の和:11189803

約数の個数: 24

約数和(自身を含む): 1177981078400

約数和(自身を除く): 539356059196

約数列:

[1, 2, 4, 19, 38, 76, 751, 1502, 3004, 14269, 28538, 57076, 11189029, 22378058, 44756116, 212591551, 425183102, 850366204, 8402960779, 16805921558, 33611843116, 159656254801, 319312509602, 638625019204]

約数ペア:

[(1, 638625019204), (2, 319312509602), (4, 159656254801), (19, 33611843116), (38, 16805921558), (76, 8402960779), (751, 850366204), (1502, 425183102), (3004, 212591551), (14269, 44756116), (28538, 22378058), (57076, 11189029)]