28223455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{22853}}^1$

素因数の和:22890

約数の個数: 16

約数和(自身を含む): 38394720

約数和(自身を除く): 10171265

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 22853, 114265, 297089, 434207, 1485445, 2171035, 5644691, 28223455]

約数ペア:

[(1, 28223455), (5, 5644691), (13, 2171035), (19, 1485445), (65, 434207), (95, 297089), (247, 114265), (1235, 22853)]