1281308

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{683}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 2604672

約数和(自身を除く): 1323364

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 683, 938, 1366, 1876, 2732, 4781, 9562, 19124, 45761, 91522, 183044, 320327, 640654, 1281308]

約数ペア:

[(1, 1281308), (2, 640654), (4, 320327), (7, 183044), (14, 91522), (28, 45761), (67, 19124), (134, 9562), (268, 4781), (469, 2732), (683, 1876), (938, 1366)]