72123728

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{104831}}^1$

素因数の和:104882

約数の個数: 20

約数和(自身を含む): 142990848

約数和(自身を除く): 70867120

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 104831, 209662, 419324, 838648, 1677296, 4507733, 9015466, 18030932, 36061864, 72123728]

約数ペア:

[(1, 72123728), (2, 36061864), (4, 18030932), (8, 9015466), (16, 4507733), (43, 1677296), (86, 838648), (172, 419324), (344, 209662), (688, 104831)]