1288440016

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{277}}^1\times {\mathrm{4339}}^1$

素因数の和:4691

約数の個数: 40

約数和(自身を含む): 2543344160

約数和(自身を除く): 1254904144

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 277, 536, 554, 1072, 1108, 2216, 4339, 4432, 8678, 17356, 18559, 34712, 37118, 69424, 74236, 148472, 290713, 296944, 581426, 1162852, 1201903, 2325704, 2403806, 4651408, 4807612, 9615224, 19230448, 80527501, 161055002, 322110004, 644220008, 1288440016]

約数ペア:

[(1, 1288440016), (2, 644220008), (4, 322110004), (8, 161055002), (16, 80527501), (67, 19230448), (134, 9615224), (268, 4807612), (277, 4651408), (536, 2403806), (554, 2325704), (1072, 1201903), (1108, 1162852), (2216, 581426), (4339, 296944), (4432, 290713), (8678, 148472), (17356, 74236), (18559, 69424), (34712, 37118)]