553640308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{247603}}^1$

素因数の和:247663

約数の個数: 24

約数和(自身を含む): 1067668448

約数和(自身を除く): 514028140

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 247603, 495206, 990412, 3218839, 6437678, 10646929, 12875356, 21293858, 42587716, 138410077, 276820154, 553640308]

約数ペア:

[(1, 553640308), (2, 276820154), (4, 138410077), (13, 42587716), (26, 21293858), (43, 12875356), (52, 10646929), (86, 6437678), (172, 3218839), (559, 990412), (1118, 495206), (2236, 247603)]