1287942742

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{162907}}^1$

素因数の和:163035

約数の個数: 16

約数和(自身を含む): 1993993920

約数和(自身を除く): 706051178

約数列:

[1, 2, 59, 67, 118, 134, 3953, 7906, 162907, 325814, 9611513, 10914769, 19223026, 21829538, 643971371, 1287942742]

約数ペア:

[(1, 1287942742), (2, 643971371), (59, 21829538), (67, 19223026), (118, 10914769), (134, 9611513), (3953, 325814), (7906, 162907)]