989823548

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{8443}}^1$

素因数の和:8586

約数の個数: 48

約数和(自身を含む): 2042772480

約数和(自身を除く): 1052948932

約数列:

[1, 2, 4, 7, 14, 28, 53, 79, 106, 158, 212, 316, 371, 553, 742, 1106, 1484, 2212, 4187, 8374, 8443, 16748, 16886, 29309, 33772, 58618, 59101, 117236, 118202, 236404, 447479, 666997, 894958, 1333994, 1789916, 2667988, 3132353, 4668979, 6264706, 9337958, 12529412, 18675916, 35350841, 70701682, 141403364, 247455887, 494911774, 989823548]

約数ペア:

[(1, 989823548), (2, 494911774), (4, 247455887), (7, 141403364), (14, 70701682), (28, 35350841), (53, 18675916), (79, 12529412), (106, 9337958), (158, 6264706), (212, 4668979), (316, 3132353), (371, 2667988), (553, 1789916), (742, 1333994), (1106, 894958), (1484, 666997), (2212, 447479), (4187, 236404), (8374, 118202), (8443, 117236), (16748, 59101), (16886, 58618), (29309, 33772)]