161225048

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 318038040

約数和(自身を除く): 156812992

約数列:

[1, 2, 4, 8, 31, 62, 67, 124, 134, 248, 268, 313, 536, 626, 961, 1252, 1922, 2077, 2504, 3844, 4154, 7688, 8308, 9703, 16616, 19406, 20971, 38812, 41942, 64387, 77624, 83884, 128774, 167768, 257548, 300793, 515096, 601586, 650101, 1203172, 1300202, 2406344, 2600404, 5200808, 20153131, 40306262, 80612524, 161225048]

約数ペア:

[(1, 161225048), (2, 80612524), (4, 40306262), (8, 20153131), (31, 5200808), (62, 2600404), (67, 2406344), (124, 1300202), (134, 1203172), (248, 650101), (268, 601586), (313, 515096), (536, 300793), (626, 257548), (961, 167768), (1252, 128774), (1922, 83884), (2077, 77624), (2504, 64387), (3844, 41942), (4154, 38812), (7688, 20971), (8308, 19406), (9703, 16616)]