391640272

素因数分解:

$2^4\times {\mathrm{5431}}^1\times {\mathrm{4507}}^1$

素因数の和:9946

約数の個数: 20

約数和(自身を含む): 759111136

約数和(自身を除く): 367470864

約数列:

[1, 2, 4, 8, 16, 4507, 5431, 9014, 10862, 18028, 21724, 36056, 43448, 72112, 86896, 24477517, 48955034, 97910068, 195820136, 391640272]

約数ペア:

[(1, 391640272), (2, 195820136), (4, 97910068), (8, 48955034), (16, 24477517), (4507, 86896), (5431, 72112), (9014, 43448), (10862, 36056), (18028, 21724)]