81900304

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{19463}}^1$

素因数の和:19734

約数の個数: 20

約数和(自身を含む): 159293376

約数和(自身を除く): 77393072

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 19463, 38926, 77852, 155704, 311408, 5118769, 10237538, 20475076, 40950152, 81900304]

約数ペア:

[(1, 81900304), (2, 40950152), (4, 20475076), (8, 10237538), (16, 5118769), (263, 311408), (526, 155704), (1052, 77852), (2104, 38926), (4208, 19463)]