216789872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1042259}}^1$

素因数の和:1042280

約数の個数: 20

約数和(自身を含む): 452340840

約数和(自身を除く): 235550968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1042259, 2084518, 4169036, 8338072, 13549367, 16676144, 27098734, 54197468, 108394936, 216789872]

約数ペア:

[(1, 216789872), (2, 108394936), (4, 54197468), (8, 27098734), (13, 16676144), (16, 13549367), (26, 8338072), (52, 4169036), (104, 2084518), (208, 1042259)]