90791056

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{138401}}^1$

素因数の和:138450

約数の個数: 20

約数和(自身を含む): 180199404

約数和(自身を除く): 89408348

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 138401, 276802, 553604, 1107208, 2214416, 5674441, 11348882, 22697764, 45395528, 90791056]

約数ペア:

[(1, 90791056), (2, 45395528), (4, 22697764), (8, 11348882), (16, 5674441), (41, 2214416), (82, 1107208), (164, 553604), (328, 276802), (656, 138401)]