28181488

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{21221}}^1$

素因数の和:21312

約数の個数: 20

約数和(自身を含む): 55262088

約数和(自身を除く): 27080600

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 21221, 42442, 84884, 169768, 339536, 1761343, 3522686, 7045372, 14090744, 28181488]

約数ペア:

[(1, 28181488), (2, 14090744), (4, 7045372), (8, 3522686), (16, 1761343), (83, 339536), (166, 169768), (332, 84884), (664, 42442), (1328, 21221)]