28352272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136309}}^1$

素因数の和:136330

約数の個数: 20

約数和(自身を含む): 59158540

約数和(自身を除く): 30806268

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136309, 272618, 545236, 1090472, 1772017, 2180944, 3544034, 7088068, 14176136, 28352272]

約数ペア:

[(1, 28352272), (2, 14176136), (4, 7088068), (8, 3544034), (13, 2180944), (16, 1772017), (26, 1090472), (52, 545236), (104, 272618), (208, 136309)]