28161584

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{160009}}^1$

素因数の和:160028

約数の個数: 20

約数和(自身を含む): 59523720

約数和(自身を除く): 31362136

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 160009, 320018, 640036, 1280072, 1760099, 2560144, 3520198, 7040396, 14080792, 28161584]

約数ペア:

[(1, 28161584), (2, 14080792), (4, 7040396), (8, 3520198), (11, 2560144), (16, 1760099), (22, 1280072), (44, 640036), (88, 320018), (176, 160009)]