12729136

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1277}}^1$

素因数の和:1381

約数の個数: 40

約数和(自身を含む): 28524960

約数和(自身を除く): 15795824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1277, 1424, 2492, 2554, 4984, 5108, 8939, 9968, 10216, 17878, 20432, 35756, 71512, 113653, 143024, 227306, 454612, 795571, 909224, 1591142, 1818448, 3182284, 6364568, 12729136]

約数ペア:

[(1, 12729136), (2, 6364568), (4, 3182284), (7, 1818448), (8, 1591142), (14, 909224), (16, 795571), (28, 454612), (56, 227306), (89, 143024), (112, 113653), (178, 71512), (356, 35756), (623, 20432), (712, 17878), (1246, 10216), (1277, 9968), (1424, 8939), (2492, 5108), (2554, 4984)]