12871768

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17681}}^1$

素因数の和:17707

約数の個数: 32

約数和(自身を含む): 29705760

約数和(自身を除く): 16833992

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 17681, 35362, 70724, 123767, 141448, 229853, 247534, 459706, 495068, 919412, 990136, 1608971, 1838824, 3217942, 6435884, 12871768]

約数ペア:

[(1, 12871768), (2, 6435884), (4, 3217942), (7, 1838824), (8, 1608971), (13, 990136), (14, 919412), (26, 495068), (28, 459706), (52, 247534), (56, 229853), (91, 141448), (104, 123767), (182, 70724), (364, 35362), (728, 17681)]