90913072

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{138587}}^1$

素因数の和:138636

約数の個数: 20

約数和(自身を含む): 180441576

約数和(自身を除く): 89528504

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 138587, 277174, 554348, 1108696, 2217392, 5682067, 11364134, 22728268, 45456536, 90913072]

約数ペア:

[(1, 90913072), (2, 45456536), (4, 22728268), (8, 11364134), (16, 5682067), (41, 2217392), (82, 1108696), (164, 554348), (328, 277174), (656, 138587)]