128651710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{4447}}^1$

素因数の和:4728

約数の個数: 32

約数和(自身を含む): 253642752

約数和(自身を除く): 124991042

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 263, 526, 1315, 2630, 2893, 4447, 5786, 8894, 14465, 22235, 28930, 44470, 48917, 97834, 244585, 489170, 1169561, 2339122, 5847805, 11695610, 12865171, 25730342, 64325855, 128651710]

約数ペア:

[(1, 128651710), (2, 64325855), (5, 25730342), (10, 12865171), (11, 11695610), (22, 5847805), (55, 2339122), (110, 1169561), (263, 489170), (526, 244585), (1315, 97834), (2630, 48917), (2893, 44470), (4447, 28930), (5786, 22235), (8894, 14465)]