261088

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:250

約数の個数: 24

約数和(自身を含む): 529200

約数和(自身を除く): 268112

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 199, 328, 398, 656, 796, 1312, 1592, 3184, 6368, 8159, 16318, 32636, 65272, 130544, 261088]

約数ペア:

[(1, 261088), (2, 130544), (4, 65272), (8, 32636), (16, 16318), (32, 8159), (41, 6368), (82, 3184), (164, 1592), (199, 1312), (328, 796), (398, 656)]