256576

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:242

約数の個数: 28

約数和(自身を含む): 538480

約数和(自身を除く): 281904

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 211, 304, 422, 608, 844, 1216, 1688, 3376, 4009, 6752, 8018, 13504, 16036, 32072, 64144, 128288, 256576]

約数ペア:

[(1, 256576), (2, 128288), (4, 64144), (8, 32072), (16, 16036), (19, 13504), (32, 8018), (38, 6752), (64, 4009), (76, 3376), (152, 1688), (211, 1216), (304, 844), (422, 608)]